Outside of this thread, which seems to have brought "downvotes are for disagreement!" crusaders out of the woodwork, I essentially never see grayed out comments that are in good faith but just wrong. That may be because there are roughly the same number of people who agree with the wrong take as disagree, but I doubt it. I also get five to twenty upvotes on a comment every once in awhile, but I don't think I've ever seen more than about two downvotes on a comment, including on ones that get strong disagreement in replies. People don't just agree with me a lot more than they disagree with me, it's that most people aren't using the votes in this symmetrical agreement/disagreement way. Which I think is a good thing, even if it's not what the site's powers that be intended.