First, citations needed, second, talk about ad-homs.
People simply don't want to see hate-speech, and they are allowed to not want to see bigotry and vitriol. People understand that "free speech" that devolves into hate-speech results in stochastic terrorism as well. If only somebody could do about those [bad] leftists!
The biggest irony of all, is that all proponents of free speech only care about their capacity to exercise judgement and have access to the megaphone. See Elon banning speech that insults/humiliates or otherwise disagrees with. See truth-social banning all speech regarding abortions/RvW, etc.
Free-speech is to protect you from the government. That doesn't mean we, the people should have to see, accept, or entertain vitriol and hate-speech. We the people are passing our judgement, and we the people don't want to see it.
If you break the social contract, you pay the consequences. If you can't behave like an adult and decide to break the social contract, you face the consequences. It's time to grow up.