I looked into this Dorian person, and it appears we have different definitions of "cancelled," as this person did give a talk at MIT, at a different building than originally planned.

It seems this person has made a handsome life being a spokesperson for conservative denial of systemic racism in America, I don't see someone actually harmed or "cancelled."

Also it sounds like students did exactly what MIT approves: they protested. For whatever reason the University decided then to move the venue. What exactly is the issue you have with this scenario?