Earlier quoted context omitted.
Sex is defined by which gametes are produced, not chromosomes.
What of the people that are born who don't produce gametes? ( For example, no gametes are produced in 85% of individuals with streak gonads ) The whole human sex | gender thing seems superficially clearcut but the real world edge cases are messy AF. The aspect I personally find confusing is that the exceptions are relatively rare .. human births are straighforward enough for 98% of births, and of the 2% that pose a c…
There are messy edge cases. Not all people have 8 fingers and two thumbs, but we don't say digit count is on a spectrum because some people are born with more or less, or that some people have had digits amputated.
The vast, vast majority of people are not messy edge cases. And some of them find language like "pregnant people" or "people with protates" awkward and vaguely dehumanising as opposed to the more understandable and specific terms: "women" and "men".