[burnte]

I don't see a problem with that. Genetic sex is pretty cut and dry, no one seriously debates that. What is under review is the expression of that underlying genetic determination. He's simply changing his stand with the evidence, we have millions of people around the world with various gender dysphorias that in some societies are simply accepted as fact. You may disagree that gender identity is complex, but that doesn't mean you're right. I'm a straight white male and I've never had any doubt about my identity in that respect, but that doesn't mean that my friends who are transgender don't have a different experience.

It's a bad scientist who stands by a theory that is incomplete.