At least they are consistent. They see XP as important (whether or not they admit it), so a comment about a downvote, seen through their limited world view, must be about XP, not anything else.
Comment on Re^8: Snarky comments on the ddj perl quiz
Votes are integral part of "XP System" ... it was "question" of "who did this anonymous action, explain it". Is every downvote supposed to get one such question? Run out of space