The Constitution says there is a place for them. Those views can't be expressed violently, but they can be expressed.
She didn’t call for imprisoning them. Just that society shouldn’t accept them. I wouldn’t jail a neo-Nazi for being one, but I don’t have to like or tolerate him. My Dad and all my uncles fought the Nazis in WW2. I’ll be damned if I am going to make nice with neo-Nazis!
So much for diversity. Of course, “diversity” is a thinly veiled excuse for the overthrow of Western Civilization.