> Human societies can’t delegate to biology the job of defining sex as a social institution. The biological definition of sex wasn’t designed to ensure fair sporting competition, or to settle disputes about access to healthcare. Theorists who want to use the biological definition of sex in those ways need to show that it will do a good job at the Olympics or in Medicare. The fact that it’s needed in biology isn’t goo…
It sounds like it's making a case that people pretend the concept of biological sex doesn't exist as some kind of defense for social concepts of sex, but that seems like a straw man. I've rarely (never?) heard anybody insist that there are not multiple contexts for the concept of sex/gender.
Like a trans woman's drivers license and birth certificate will say female so it's hard to cleanly say that sex === biological sex.