What kind of meta discussion is harmful? I'd say none of it. If people don't like a meta discussion, they'll not vote it up, and it thus won't consume the top

What kind of meta discussion is harmful? I'd say none of it. If people don't like a meta discussion, they'll not vote it up, and it thus won't consume the top reading spots. A tricky issue is that threads are elevated based on the originator's score. But, there are a number of threads where the originator may have a low or negative score, and follow ups have enormous scores. Where should these go?