Earlier quoted context omitted.
Sorry, I don't buy this concept that hordes of (or any, for that matter) predatory trans women are queuing up for the chance to prowl round changing rooms. Do you, really? Say you're right. What stops them sneaking in right now? It's not like there are mandatory ID checks at the entrance.
> predatory trans women How about predatory men pretending to be trans-women?
You've just created a world where predatory men pretend to be trans men, who are now legally required to use women's bathrooms.
At least most trans women are trying to express in a feminine way (disregarding the issues with women—cis and trans—being discriminated against for not being “feminine enough” by someone's standard), with this "solution", you've just normalised people actively trying to be as masculine as possible going into women's bathrooms. Congrats.
(Of course, predation in bathrooms is illegal, why on earth would someone who is willing to break that law be stopped by another one saying they aren't meant to be there? It's literally the same nonsense argument used by homophobes to argue we shouldn't allow gay people into those spaces.)