I think you are very correct. Maybe one of the nice things about UseNet was that you could only be signed up for a forum that you explicitly looked for? That a

I think you are very correct. Maybe one of the nice things about UseNet was that you could only be signed up for a forum that you explicitly looked for? That at least forces the trolls to go out of their way to interfere with general-interest sections, not just go after them out of laziness.