I always upvote on closed questions that I find useful. This happens more often than it should, imo. What I would think would be better is for questions that r

I always upvote on closed questions that I find useful. This happens more often than it should, imo. What I would think would be better is for questions that receive a lot of upvotes after they are closed, that the people who flagged the question have reduced capability to flag down questions in the future.