THIS HOSTILITY HAS A LONG HISTORY.

Vasey says he recognizes the AI study has some methodological flaws and that the research might be used against gay people, but says we “could play the ‘what if' game forever.”

University of Toronto psychiatry professor Ray Blanchard says he wasn't surprised to see the research attacked. Gay activists have been hostile to biological theories of sexuality for decades. It's not just because they are worried about what might be done with the science, but also because it undermines their commitment to other social justice causes. Blanchard says that many members of the left— including post-modernists, academic feminists and social justice advocates — have a unifying theory that behavioural differences between any two groups can be explained by the way they're brought up. That is, they believe

Their biological viewpoint was backed up with research showing that gay people recalled far higher levels of Childhood Gender Nonconformity (CGN), including studies showing gay men remember wanting to play with “girls toys” and gay females remember wanting to play with “boys toys.” The social justice left accused the researchers of reinforcing stereotypes of boys as sissies and girls as tomboys. Even the vaunted liberal Michael Ignatieff was dismissive: “If becoming gay is not a matter of distant fathers and smothering mothers, it does not follow that it must therefore be a matter of hormones and chromosomes,” he wrote in 1982.

CGN is now considered “one of the strongest relationships observed in the field of psychology,” according to Blanchard. It just remains politically incorrect to talk