OK, I'll bite: how about a system where down-votes can be optionally associated with descriptive tags like "dismissive", "mean", "irrelevant", "false", or "disa

OK, I'll bite: how about a system where down-votes can be optionally associated with descriptive tags like "dismissive", "mean", "irrelevant", "false", or "disagree". The tag counts are hidden from everyone except the comment's author.