The divide between men (of all races) and women (of all races) is the most profound division of mankind. If you don’t think so then maybe you might prefer having one bathroom for whites of all sexes and another one bathroom for blacks of all sexes. Or would you prefer to share a bathroom with your own sex regardless of color?
Prefer an all color NFL football team of men or an all white one with both sexes? Ditto the armed forces.