This argument is irrelevant in the end because trans women are women. Even if it were true that some trans women have a net advantage due to having gone through a male puberty, It's okay to have biological advantages in sports. That's kind of the point of sports, no? As long as they're taking hrt to get rid of the bulk of the advantages a male body brings I don't see what the issue is.

The second you exclude trans women, it is no longer a women's division.

Conservatives here have a different definition of "freedom". They want to be free from being bound by the laws yet still be protected by them, whereas minorities should be bound by the laws, but not protected by them. This is how conservatives in this country are both the party of "law and order" and the party of "personal freedom".