Actually the occasional down-voting doesn't really bother me. It's a bit of a nuisance, but isn't isolated to me (though I guess I did extend my rant to include them at the end). I was just concerned about the systematic downvoting with multiple user accounts (at essentially the same time, or at least far enough apart to be explained by a logout/login). Either we have 2 nuisances, or 1 serious nuisance that could potentially become much worse.