@nimh,
That's 100 posts, sorry, my bad, not 200.
Point stands, though: two users you can't stand, who would take two clicks to put on ignore, doesn't immediately seem like evidence that the site is being overran by these folks. Like, if you can't stand one Oralloy, who to my mind obviously has issues that go beyond politics, on your forum - even when there's an ignore button - you're just validating the BS attacks the right conjures up about "the intolerant left".
But, hey, maybe I'm missing major things, which is very well possible, and people can point to the threads where there's a bunch of users who keep spinning conspiracy theories. Or just report them, you know. I doubt a public forum could reasonably suspend every new user who expresses the belief that "Trump won," or that it would even be right to do so - and that's most certainly not something Twitter or Facebook do either! - but if someone keeps "soapboxing" about the same conspiracy theories, there's a rule against that.
The mass downvoting thing, on the other hand, is obviously harmful. I understand that the site only costs money, so it might just not be feasible to keep investing the resources time and again every time someone sets up a sock puppet scheme or whatever, but they've done it in the past when things got out of hand. And from what I remember noticing here the last time obvious mass downvotes disappeared again, a prolific user disappeared for a very long time... which should kind of serve as warning for anyone doing this stuff now if they would like to stay here!