Be carefull, onliners are usually dowvoted here. (I usually donwvote dummy oneliners, but I didn't downvote this.) (Luckily your comment is black again.)

I guess I agree with you, but I' difficult to know without a longer explanation. I'll write my longer explanation:

If HN does this, it will look like http://hackernews.stackexchange.com .When I visit stackoverflow, I notice that there are many comments just to explain upvotes and downvotes. I think that it adds too much noise and moderation to the discussion. I prefer the HN style, were the meta discussion is as small as possible, so it's easier to follow the main discussion.