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If anybody else wants to use this list somehow, feel free. My blocking rule is basically anybody who directly insults me (which is a pretty good proxy to them insulting you, if you are similar to me). I don't block people who disagree but do not insult me.
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This is a really good blocking policy honestly. With arguments/discussions, I do a similar thing. I’ll discuss until the other person slings and insult. Then I let them know they just invalidated their argument and move on.