> This is what allows us to advance our common causes. Being in a tolerant and intellectually open environment is also liberating and promotes truth seeking.
Nope, that is what will get you taken over by the assholes. Reasonable defense is necessary in reality. There ARE bad actors, they must be kept out.
Everyone has their own definition of a bad actor. The fact that you're implying to know how to spot them says a lot about your tolerance for differences in opinion.