Stop labeling people anti-trans just because they disagree with you about the mechanics of a zero-sum competition situation. The majority of people here are PRO-TRANS, and ALSO pro-women. We all just want the system that provides the most fairness in a situation where there’s no way for it to be completely fair to everyone.
If there are 10 seats on a team, every spot taken by a person means that a different person doesn’t get that spot. So we as a caring society have to decide who CAN get that seat, and also who CAN’T get that seat. It all comes down to whether or not women born with biologically male bodies have a physical advantage over women born with biologically female bodies. At the very minimum, people who went through male puberty have a physical advantage over people who didn’t go through male puberty.