I think they already rate limit down votes. I think I recall seeing at least a few not apply when I checked as an experiment in the past. I try to up vote at l

I think they already rate limit down votes. I think I recall seeing at least a few not apply when I checked as an experiment in the past. I try to up vote at least twice as much as I down vote. If I down vote a a low quality comment, I try to at least up vote 2 quality ones to offset it.