Do parents really want their young daughters to be in a restroom with a 300 pound woman who cut off her breasts and is wearing men’s clothing and a hormone-induced beard and who looks like Chaz Bono?
Do parents really want their young sons to be in a restroom with a man with hormone-induced breasts who is wearing high heels, lipstick, and a dress and who looks like Bruce/Caitlyn Jenner?
Really?
Why sure. We have the DNA tests ready by the door so you don’t have to wait too long to get into the room after you have proved your gender to our satisfaction.
Molestation and propositioning has always been verboten in the public loos. These modern rages don’t change that.
And children would always be wise to be wary around strangers. The strangers who look weird may not be the worst dangers; the strangers who look normal may be.
Answers to your questions - reason I proposed adding a third room :)