Earlier quoted context omitted.
> I think there might be a reason two sides aren't talking. Both sides can certainly find a reason not to speak to each other. The left claims the right is hateful, the right claims the left is obscene. It's always been like that, with one having the power to censor the other. Here's an example [1]. One side, a well known entrepeneur/investor, is arguing for no censorship, and the other side, a well known disinformat…
Interesting though these points are (and I'm familiar, as I am personally acquainted with DiResta), I think you are looking at this issue in too abstract a manner. Ther's no obligation to have dialog with others who are actively threatening to kill you. Don't owe them a conversation or even a hearing. I don't disagree with your characterization that 'the left claims the right is hateful, the right claims the left is…
I never said there was. Even free speech law has limits and may punish such speech.
What I advocate is for authors of secretly removed content to be able to discover the removal, because even if the comment is vitriolic, the offending author may perceive the lack of a response as tacit approval of their words.
> But there is a clear qualitative difference between the two sides in terms of the willingness to insinuate, actually issue, and finally carry out death threats
Left wing extremists are currently saying that words are violence [1]. This is wrong, short of something that "in context, directly causes specific imminent serious harm", a definition from Nadine Strossen [2].
[2] https://books.google.com/books?&hl=en&id=whBQDwAAQBAJ&q=in+c...