I'm with you. Legal action is an essential part of my strategy. Not least because what we're often talking about is how to legally define terns like "woman," "man," "trans woman," "trans-man," "non-binary," etc.
The reason were having so much trouble is the precise lack of nuance that says any male at all who says they "feel like a woman" is a woman. If these arguments were mor nuanced, I don't think this topic would be such a mess.