I would prefer science to maintain integrity also which is to say it’s crazy that men can all of a sudden be considered women and we have to accept that because they say so. Or vise versa based on the point you observed above. Males are males and females are females which we have just agreed is so, because of sciences integrity. If people want to call themselves something else then cool, it just doesn’t actually make it so, and society shouldn’t have to break norms (like gender based sports, bathrooms, etc) to satisfy them.