Episode Summary
Executive Summary: Michael Shermer interviews neuroscientist and journalist Deborah So about her book The End of Gender, focusing on sex, gender identity, sexual orientation, activism, and the politicization of science. They argue for a biological basis for sex and orientation, warn against ideological distortions in academia and policy, and debate contested issues like trans healthcare, bathrooms, prisons, sports, and childhood social transition.
Main Topics: Sex, gender, and sexual orientation distinctions (Priority: 5/5): So explains biological sex as gametes (sperm/eggs), gender identity as internal sense of masculine/feminine, gender expression as outward behavior, and gender dysphoria as conflict between identity and birth sex. She argues these concepts are often conflated in public debate. Politicization of science and cancel culture (Priority: 5/5): The conversation repeatedly centers on pressure from activists—especially on the political left—who allegedly suppress research findings about sex and gender. So says scientists self-censor because disagreement can lead to harassment, deplatforming, or career damage. Childhood transition and conversion-therapy debates (Priority: 5/5): So argues many children who socially transition later desist and that social transition can increase persistence of dysphoria. She distinguishes legitimate therapy from coercive 'conversion therapy' for orientation, while criticizing laws that could criminalize exploratory counseling. Trans issues in bathrooms, prisons, shelters, and sports (Priority: 5/5): They debate whether trans women should access women’s spaces. So favors case-by-case assessment for prisons and shelters, is more permissive on bathrooms, and strongly opposes trans inclusion in women’s sports because of physical advantages and safety concerns. Autogynephilia, paraphilias, and sexual motives (Priority: 4/5): So defends the scientific legitimacy of autogynephilia as a paraphilia describing arousal at the idea of oneself as a woman. She argues understanding such patterns helps clinicians and does not justify stigma or denial of trans rights. Gender-neutral parenting, stereotypes, and socialization (Priority: 4/5): The guests discuss whether parents can or should neutralize gendered preferences. So argues boys and girls often show robust average differences, but children should be free to explore activities without ideology forcing them toward or away from traits associated with either sex. Sex work, pornography, coercion, and consent (Priority: 3/5): They discuss pornography’s debated harms, whether it is addictive, and the difference between consensual adult sexual expression and exploitative behavior. So emphasizes consent, warns against moral panic, and notes that abuse and coercion change the ethical picture.
Key Arguments: Biological sex is determined by gametes, so sex is not something one can merely self-identify into; gender identity and expression are separate from sex. Sexual orientation is biological and not a choice, even though society should accept consensual sexual behavior regardless of causation. Political activism has increasingly distorted research on sex and gender, especially within left-leaning academic environments. Many children who socially transition later desist; therefore, adults should be cautious about irreversible medical interventions in minors. Trans women deserve legal protections and compassion, but acknowledging average biological differences is not transphobic and is necessary in medicine, prisons, and sports. Policies should be individualized rather than driven by slogans; assessments should consider genuine dysphoria, malingering, and safety risks. Women’s sports exist because male puberty and testosterone create average performance advantages that persist even with hormone treatment. Autogynephilia is a real and clinically relevant paraphilia that some trans women experience; ignoring it harms understanding and treatment. Gender-neutral parenting should not be an ideological project aimed at reshaping children; children should be allowed to follow their own preferences. Pornography and sex work require nuanced consent-based analysis; the issue is less labels like 'addiction' and more whether behavior causes impairment or exploitation.
Data Points: Estimated gay and lesbian prevalence: approximately 2% - So cites this as the common current statistic for gay and lesbian identification. Non-binary identification among millennials: approximately 10% - She says about 10% of millennials identify as a third gender. Conversion therapy for gender identity penalty: up to 5 years in prison - She references Canadian legislation that would criminalize certain exploratory counseling practices. States banning some form of conversion therapy: about 20 states - Shermer and So discuss U.S. bans that can blur distinction between orientation and gender identity counseling. Age of medical consent (mentioned generally): 16 - So says hormones are usually not supposed to start until this age, depending on jurisdiction. Top surgery timing criterion: 1 year after testosterone - She says surgery is generally not supposed to happen until after a year on testosterone, though exceptions occur. Maximum share of rape complaints in unisex spaces (UK pool study): 90% - So cites a study finding most complaints were in unisex spaces. Sex offenders with coercive paraphilia: as many as 60% of convicted rapists - She uses this to argue rape is often driven by a specific sexual preference for non-consensual sex.
Pivotal Quotes: "I am female. I was born that way. I have had those feelings, those longings all of my life." — Michael Shermer quoting Star Trek character Soren: Used to frame the long-standing 'born this way' argument in debates about sexuality and identity. "the whole gay rights movement... was predicated on this idea that sexual orientation is biological, we were born this way, it's not a choice." — Deborah So: Her explanation of why she supports gay rights while resisting claims that all gender-related identity is self-determined. "I think the biggest threat coming from the political left... science denial on both sides is equally harmful." — Deborah So: She argues activist pressure increasingly distorts scientific research and publication.
Implications: The episode argues that science and policy on sex and gender should prioritize empirical evidence, consent, and case-by-case assessment over ideology. It also suggests future conflict in academia, medicine, and law unless institutions resist activist pressure and clarify categories.