We could also add Canada, where men can self-identify into women's prisons, and when female prisoners ask the Elzabeth Frye society to help them challenge this, the EF people refuse. Because they serve all women, even the male ones.
The underlying issue in Canada is that the law supports self-id. So this guy says he's a woman, he is legally allowed in the women's changing room.
At least, so far that is how the law has been interpreted.