I'd wager there are more sexual assaults committed by males in a HS football locker room than committed by high school transvestites.
Against other male football players? Or are you saying the football players drag weaker women into the locker rooms to do it? Or the women don’t have their own locker rooms?
Even if the overall number of rapes by “gender-fluid” males on true women in women’s bathrooms were lower, that wouldn’t mean they should be dismissed as they’re likely almost entirely preventable through the use of common sense policy.
Here’s an example of such a policy:
No biological males dressed up as women or not dressed up as women are allowed in the women’s bathrooms or locker rooms. There will be no expectation or acceptance of it.