He said it at least 3 times: http://news.ycombinator.com/item?id=117171 http://news.ycombinator.com/item?id=117171 "I think it's ok to use the up and down arro

He said it at least 3 times: http://news.ycombinator.com/item?id=117171 http://news.ycombinator.com/item?id=117171 "I think it's ok to use the up and down arrows to express agreement. Obviously the uparrows aren't only for applauding politeness, so it seems reasonable that the downarrows aren't only for booing rudeness." http://news.ycombinator.com/item?id=392347 http://news.ycombinator.com/item?id=392347 "Downvoting has always been used to express disagreement." http://news.ycombinator.com/item?id=658691 http://news.ycombinator.com/item?id=658691 "IIRC we first had this conversation about a month after launch. Downvotes have always been used to express disagreement. Or more precisely, a negative score has: users seem not to downvote something they disagree with if it already has a sufficiently negative score." I'm not aware of a comment where he said downvoting for disagreement is a problem. I recall comments about gratuitous negativity, and comments about how certain excessively rude comments were getting upvoted when they should be downvoted. But it's possible I'm behind the times on that front.