Framing it as "hypersensitivity" really misses the point - if companies want the more diverse part of their workforce to feel respected at their workplace, its not out of "sensitivity".
It's basic decency and a given that a professional environment should be provided to employees.
Your argument stating that communism is evil everywhere its implemented is ridiculous - communism exists at varied scales, so of course, there have been huge authoritarian states, but also many communes, worker cooperatives and cities which didnt turn out like the nightmare you make it to be.
"Throwing insults to anyone who disagrees" and being too passionate about one thing are not necessarily correlated.
I can imagine someone being extremely passionate and still respectful.