I've seen perfectly decent Transwomen posting on this very forum, saying that they detest biological womans' rights being swept aside and that it's simply not necessary. So why on earth is singling perverts out for criticism deemed an attack on the entire Trans community, when it's actually no such thing?
Because it's not an objection to how you might feel about the rest of the trans community. It's an objection to the possibility that the laws and culture of TWAW will change to keep people like Yaniv out. That can't happen.
And of him exposing not just the ridiculous notion of gender identity, but how anyone can exploit these incredibly shaky laws. Some people want to maintain those laws, whilst being forced to agree with you that Yaniv is a problem.
Oh yes, Yaniv is a problem, and yes we need to keep people like him out, oh no you can't do that by sex segregation.
And the justification is
Because validating men is far more important than anything else.
And yes, I completely agree that men with gender dysphoria are not the ones pushing for this. They, like me, know that they are men.