That's a really wishful-thinking reading of history. Back when women were coming into the workplace, no, a non-political workplace was not the thing called for -- a male workplace was what was called for. If you need a movie, watch North Country (based on the nonfiction book Class Action).

Then, as now, is that people show up to work in the bodies they have and they get shit for it. People get agitated because there are problems in the world they want to fix. Just 'cause they're not problems for you doesn't mean they're not problems. It's easy to pretend its all about fluidgender otherkin when it's not your problem.