You won't like my answer. SJ is all about hypocrisy. Wrt the corp culture, SJ poisons the well. I'll explain. Most of the diverse folks are fine, but a tiny fraction of them are covert activists: they have fragile ego and would report you to hr for anything. It's a matter of survival to spot such activists and avoid them. Soon you realise that it's just too hard to distinguish good folks from bad ones and you start avoiding the entire group. This is when this subconscious bias forms. Another way to look at it is if you have an organisation and you don't keep an eye on corruption, soon these few bad apples would destroy the image of the entire organization.