[JohnFen]

> And the lack of downvotes can be explained by another phenomenon

There may be another factor as well. I don't downvote comments based on whether or not I agree with them (if I disagree enough to want to express that, I just make my own comment saying so). I downvote comments if I feel that they were egregious in some way (overly combative, insulting, nonsensical, etc.)

I may be the only one who votes like this, though.