...just a start.Wikipedia footnotes, etc. are...
Like I've said, I don't want to go down that rabbit hole. Much of the supporting documentation was authored within the last 40 years and hasn't stood the test of time.
I spent decades working in a super-PC environment. I've dealt with it in great depth in the past and it's a subject where I feel obliged to bite my tongue too often.
My conclusion is that most gender issues are crap and I just find it too exhausting to talk about the subject in detail. Even I don't like having to type out that many qualifiers.