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Make that the same for up-votes? Horde groupthink up-voting of a bit silly posts is also too often visible... (also as in: vote-whoring posts that don't really say anything, but will make enough people nod in agreement "hey, that's how I think!")
Sure, it's not really so distorting, but it's a bit sad when you see quick "clever" almost-one-liners that were up-voted through the roof simply for targeting groupthink, while some long & interesting posts down the line barely can get to 3-5.
But I guess that's also the typical dynamics of comments, people jumping quickly on first posts, imposing such pace, and then it quickly dies out.