I upvote interesting stories I upvote some comments I agree with and all comments that I disagree with that I think might lead to interesting discourse (eg, I

I upvote interesting stories I upvote some comments I agree with and all comments that I disagree with that I think might lead to interesting discourse (eg, I want to be sure other people see the comment and respond to it). In other words, I most often reliably upvote when I want to see more objections. I downvote all flip, lazy, joke comments, and cynical one-liners.