Too tired to think straight - but honestly I think slapping an NPC there and EXPECTING players to use the NPC for holiday events is really not Blizz's style nor is it good game design. That's borderline "Captain Placeholder" level of emergency "I can't figure out how to fix this shit" level.
And, with all due respect, they had to re-place a LOT of holiday stuff when Cataclysm happened (Holiday bonfires, egg placements, ect...) so don't think it's beyond them to just move stuff.
Also... for some reason, I'm not getting the impression that whomever this current team is necessarily thinking some of these design decisions through enough. =/
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Link Pls. Not that I don't believe you - I just can't find it (which may be an effect of it being nearly 2am here. >_<)