Self-styled “progressives” made substituted “gender” for “sex” — on the basis that “gender” is a social construct. They might be right about “gender” being a social construct — it’s all in how you define “gender” — but, they’ve taken it a step further, and now insist that “sex” is a social construct (rather than biologically determined).
If you are whatever “gender” you think you are (and, by extension, in the muddled logic of “progressives”, also whichever “sex” you wish to be at the moment), then — well then, for a start, you have no shower room barriers.
I for one will never share a bathroom with males .....I’ll just hold it if I have too....