Another thing to keep in mind in this regard, is that this forum has a filter that blocks posts with enough of a negative score. Downvoting a comment posted by a troll can swiftly block it from public consumption, which means only those who want to read it will.
In order to do that, you have to read low scoring comments too.
Only for a time.
Voting patterns can change with time and with respect to different issues.
Another thing to keep in mind in this regard, is that this forum has a filter that blocks posts with enough of a negative score. Downvoting a comment posted by a troll can swiftly block it from public consumption, which means only those who want to read it will.