These people act this way because they are elitist. They think they know what should be better than anyone else and therefore there is no need for debate or for rights like free speech. I find that quite ironic because presumably, these people subscribe to left leaning ideologies. But maybe there isn't so much of a contradiction. They are simply more elitist than they are anything else. They don't really stand for eq…
Their argument is demonstrative rather than persuasive (although there is a persuasive component, but they expect interlocutors to be familiar with structuralist theory, which is not unreasonable in an academic setting). I'm not sure this is the most effective way to communicate their ideas, but the frustration and discomfort they are causing to other people is something that they have a lifetime's experience of, whi…
I think this is spot-on.
> They are showing people what it feels like to be unexpectedly and unjustly placed into an out-group.
But I don't think this is the intent. Rather, the goal is to create a place where the structures they oppose are weaker/nonexistent. A consequence may be that people with privilege are made uncomfortable and/or put in an out-group, and that is fine because as you said this "is something that they have a lifetime's experience of." And that discomfort is even seen positively as a sign that the culture is going in the right direction, but it is just a symptom, not the goal.