Back when I was metamodding, I never worried about distinctions that didn't make a difference. If somebody gave a post a +1 Informative that didn't tell me anything new, I wouldn't say that it was a bad moderation if I found the post insightful or interesting; an upmod is an upmod. And, of course, the same went for downmods. However, if a post was given -1 Flamebait and nobody had responded to it (or at least, nobody took the bait) I'd give it a downcheck on general principles.
So YOU'RE the one who disagreed with my Flamebait mod for a post with no replies that said something like "Fuck you asshole!"