If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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Given the strong ethical view that HPJEV takes of lying, that would be grossly against his character. He might also say, as would I, that it's a short step from mass downvoting to what Yvain reports here.
I see a qualitative difference between mass downvoting and malicious impersonation--- malicious impersonation is a much stronger effort to damage reputation. Mass downvoting is a way of saying "this person is disliked", while malicious impersonation is supplying false evidence that the person is detestable.