something something paradox of "please ban things I don't like" something what good is tolerance if people end up disagreeing with me
A society ends up nourishing something that destroys it, because the intolerable is under no obligation to play fair.
Germany wrestled its censorship laws from hard history lessons.
Anything short of that and the logic falls apart -- there's no threat in tolerating some disagreeable person unless they go on to take over the government and forcibly outlaw all disagreement with them.