Yeah, all the time. It’s the easiest way to identify a troll from a random idiot. I don’t have a problem with random idiots, if someone genuinely likes Trump and believes in authoritarianism, that is fine by me. I don’t like them, but at least they’re engaging in good faith. I can understand and work with that.

But, when their comment history is full of pushing people’s buttons or a wide, inconsistent variety of opinions, then it becomes pretty clear that being shocking is the goal itself. That’s an obvious troll, and should be dealt with as one.

edit: Note, I don’t bother voting while I’m there, so I answered inaccurately. I’m just sleuthing to find out if engaging at all is worth my time. If it is a troll, I actually don’t downvote anything, as large downvote tallies amuse them. If it’s probably not a troll, I don’t downvote then either, but I know I can go back to the original comment and actually talk to this person like a human being without wasting my own time.

So, actually I don’t downvote through people’s comment history. I do skim quickly through them though, reading for good-faith engagement. Or a lack of it.

I don’t upvote very often either, since I’m reading and scrolling too fast to bother. Unless I run into a really good post or something, enough to make me stop skimming for a second.