He quotes a book that states body aesthetic preference might limit performance at the peaks of women's sports. That's nothing Maria Sharapova hasn't said in a particularly sore interview.

Wait, who is saying “male/female differences in physical strength are entirely due to social factors”?

I'll give you one further - a college professor/trans activist insisting biological sex doesn't exist: https://www.youtube.com/watch?v=10fDRERJh4w

How bizarre. It even undermines the argument for transition - if there's no such thing as sex, what are they transitioning from and to?

>humans are sexually dimorphic but the story doesn’t end there. Bodies are also socially constructed.

This seems to be saying that while there are gender differences, social factors also play a role.