#486 — Luck All the Way Down

Harris's Stance on Platforming Controversial Figures Was Mischaracterized As Endorsing Views Rather Than Defending Free Speech Principles

Sam Harris reflects on the backlash he faced in 2017 after hosting Charles Murray on his podcast. Harris emphasizes that his intention was not to delve into or support Murray's race and IQ claims, but rather to address the escalating issues around intellectual tolerance, free speech, and moral panic. He notes that Murray had become a lightning rod for controversy, even experiencing physical assault on a college campus decades after his book’s release, illustrating the fraught environment around the topic. Harris wanted to conduct a post-mortem on the state of free speech and tolerance, not to support Murray's scientific arguments.

However, Harris recounts that much of the criticism blurred the distinction between disagreeing with the scientific merit of Murray’s ideas and Harris’s decision to give him a platform. He was labeled a racialist, pseudo-scientist, and a dupe of Charles Murray. Ezra Klein’s response in Vox and subsequent op-eds further amplified these accusations. Harris describes how this criticism led to his being labeled a racist and placed on watchlists like the Southern Poverty Law Center’s, despite his intentions being rooted in a defense of free speech, not an endorsement of Murray’s views. Harris expresses lingering anger and frustration at how these intentions were misunderstood, especially by Klein, who, according to Harris, failed to acknowledge his own role in fostering moral panic over free speech issues.

Harden's Experience: Scientific Criticism Weaponized and Distorted In Public Discourse

Kathryn Paige Harden revisited the Vox piece she co-authored with Eric Turkheimer and Richard Nisbet, as well as the sequela of replies and responses it generated. Initially, she remembered their article as mainly focused on scientific disagreements with Murray. Upon rereading, she realized that a significant portion was not just about scientific objections but was also a normative critique of Harris's decision to platform Murray at all. Harden acknowledges now that she unintentionally crossed the line from her domain expertise into broader issues of media responsibility and ethical platforming during a fraught cultural period.

Harden reflects that, at the time, she had little intention of wading into contested debates over wokeness, free speech, and media ethics, but her writing did so anyway, partly due to the climate and the unprecedented nature of communicating science in popular media. In hindsight, she feels she should have stuck to critiques of the science surrounding genetics and IQ, rather than venturing into questions of media ethics or who should be allowed a platform.

Having herself been attacked as a “handmaiden to the alt-right” or “Charles Murray in a skirt,” Harden admits she has greater empathy for Harris, recognizing how easily scientific criticism can be weaponized and turn into full-fledged character attacks. She never intended for disagreement over Murray’s science to morph into disparagement of Harris's integrity or work overall, and she acknowledges the discomfort and harm this caused.

Shifted 2017 Context Undermines Aggres ...

Behavioral Genetics Explores Genetic and Environmental Influences on Behavior, Focusing On Nature-Nurture Interaction

Behavioral genetics examines how the genes we inherit combine with other factors to influence our behavior. Kathryn Paige Harden describes the field as one that analyzes the interaction between nature and nurture to explain behavioral tendencies and life outcomes. She notes that, while behavioral genetics is often seen as a scientific specialty, its concepts have permeated common understanding and language around behavior.

The Field Studies how Genes Influence Behavioral Tendencies and Life Outcomes

Harden explains that most people recognize children are born different in ways that matter for how they turn out. There is a broad lay understanding that genes influence not just obvious traits like height and blood type, but also personality, school performance, likelihood of developing mental illness, or depression. Parents of multiple children most acutely notice these differences, seeing firsthand how even siblings raised in the same environment can differ significantly in temperament and tendencies.

Genetic Impact on Human Differences Recognized, Especially by Parents of Multiple Children

She points out that behavioral genetics merely formalizes what many parents observe: children are not blank slates, and genetic inheritance clearly impacts development. Children often resemble their parents in specific ways, underscoring that inheritance plays a significant role in shaping life outcomes.

Findings Show Children Resemble Parents, Implying Inheritance Shapes Development

The scientific consensus emerging from behavioral genetics research is that while environmental influences exist, genetic factors also play a notable—if not deterministic—role in shaping who we become. This research supports the intuitive observation that offspring tend to resemble their parents, both physically and behaviorally.

Behavioral Genetics Is Controversial due to Its Eugenic History and Political Implications

Despite foundational findings and broad acceptance of gene-environment interplay, behavioral genetics remains steeped in controversy, both due to its historical associations and its perceived implications.

U.S. Eugenics History: Forced Sterilizations and Inheritance-Behavior Claims Concerns

Harden and Sam Harris discuss behavioral genetics’ historical baggage, particularly in the United States, where eugenics policies—including forced sterilizations—were justified using claims about the heritability of behavioral and intellectual traits. This legacy fuels suspicion towards claims that genes play a role in making people who they are.

Far-right Movements Exploit Claims About Innate Racial Differences, Making Science Linking Genes To Behavior Vulnerable to Misuse By Extremists

The field is especially controversial because, as Harden observes, the ascendant far right appeals to the idea of innate biological or racialized differences. Science that explores links between inheritance and behavior is susceptible to misappropriation by extremists intent on justifying discriminatory ideologies or policy.

Prone to Politicization for Challenging Narrative That Intervention Conquers Variation, Incentivizing Minimization of Influence

Certain topics—such as IQ and racial differences in IQ—are so polarizing that scientific discussion becomes supercharged with moral concerns, accusations of dangerous or irresponsible ideas, and a presumption of bad motives among researchers. The risks of political misuse have led some to minimize or obscure the influence of genetics, reinforcing the belief that social intervention alone can overcom ...

Sam Harris emphasizes the importance of clarifying the concept of heritability and understanding the relationship—or the lack of a strict divide—between nature and nurture. He notes that confusion and misinterpretation about these concepts are common and that such misunderstandings often contaminate debates, including contentious topics like intelligence differences.

Misunderstood Heritability: Variation Proportion Linked To Genetic Differences

Heritability is often misunderstood as a measure indicating that genes rigidly determine a trait. In reality, heritability quantifies the proportion of variation in a trait, within a given population and environment, that can be attributed to genetic differences. It is not a claim that genes predetermine individual outcomes.

Heritability Is Environment and Time Specific, Not a Claim That Genes "Determine" Traits

Heritability estimates are specific to particular environments and timeframes. What might be highly heritable in one context can become much less so in another if environmental factors change. Therefore, high heritability does not mean a trait is immune to environmental influence or that it is “set in stone” by genetics.

Heritability vs. Genetic Determination Misunderstood as Inevitability

This distinction is frequently misunderstood. Many people mistakenly equate the scientific measure of heritability with the idea that genes alone inevitably dictate outcomes. This leads to a false sense of genetic determination, rather than recognizing the actual interplay between genes and context.

Preventing Misinterpretation of Scientific Findings as Fatalism or Denial of Intervention Potential

Clarifying the true meaning of heritability is crucial to prevent scientific findings from being misinterpreted as fatalism or as arguments against efforts to make beneficial interventions. Even when something is highly heritable, interventions or environmental changes can produce significant effects on outcomes.

Nature vs. Nurture Is a False Dichotomy, Obscuring Genetic-Environment Interactions

The conventional framing of “nature vs. nurture” is also misleading. Treating ...

Behavioral Genetics Examines Traits Like Impulse Control, Violence, and Antisocial Behavior Impacting Incarceration, Addiction, Homelessness, and Success

Sam Harris highlights that behavioral genetics investigates key traits such as violence, impulse control, and antisocial behavior—traits that profoundly affect outcomes like incarceration, addiction, homelessness, and societal success. These traits are morally significant because they are closely linked to life trajectories: some people, due in part to their genetic dispositions, end up incarcerated, addicted, or homeless, while others rise to leadership positions, run major institutions, or lead what Harris calls "beautiful lives." The study of these traits challenges traditional understandings of moral responsibility and blame by revealing a genetic influence over morally weighted behaviors. The genetic contributions to such behaviors inevitably affect social policies and notions of justice. The varied distribution of these traits in the population helps explain disparities in leadership, success, incarceration, and poverty.

Genes' Impact on Behavior: Questions of Blame, Responsibility, and Forgiveness

With scientific insight showing genetic variation in impulse control, aggression, and harmful impulses, the traditional moral model—based on the presumption of free, ...

Reproductive Technologies Allow Genetic Selection, Raising Eugenics Concerns

Advances in reproductive technology now allow for the screening of embryos for specific genetic traits, enabling unprecedented reproductive choices. These technologies not only make genetic selection a possibility but also create pressure to use genetic information in deciding which embryos to implant, raising concerns about the return of eugenic practices despite ongoing societal debate.

Ethical and Policy Questions Around Genetic Selection Are Complicated by Political Climates With Abortion Bans and Ivf Restrictions

The U.S. Is Fragmenting Into "Moral Communities" Over Abortion and Religious Opposition to Ivf

Kathryn Paige Harden highlights that while technological capabilities in reproduction advance, the U.S. political landscape grows more fractured. Recent actions, such as Alabama’s attempt to ban IVF and Texas’s effective ban on legal abortion, have not been addressed at a national policy level. Instead, the country is splintering into "moral communities," where distinct groups form around divergent positions on reproductive rights, abortion, and religious opposition to reproductive technologies like IVF.

Lack of National Policies Shifts Genetic Selection Decisions to Market Forces and Individual Choices

Unlike several other countries, the U.S. lacks unified national policies regulating reproductive technologies and genetic selection. This absence leaves decisions about embryo screening and implementation mostly up to mark ...