There is no law about this. If you want to change a law, the honus is on you to prove why. If you want to restrain personal freedoms, that deserves a higher level of scrutiny than a law/policy which lowers constraints.No, it's not.
Men have always went to the men's room.
Women have always went to the women's room.
Now weirdo's want to go wherever they want. They should prove it won't cause a problem.
Normal people shouldn't have to prove that it will.
You seem to be good at wanting other people to prove their point, but not so much the other way. Cow made the statement that homosexuals wouldn't want to see my junk, now let him prove it.
And your definition of the status quo is inaccurate in any case, plenty of people are using the opposite bathroom already without you even realizing it.