Hm. That is an unbelievably charming idea for an experiment. Does HN ever do April Fools' day experiments? That would seem worth it for the introspective value alone...
I'll chime in with that it's an interesting idea, OTOH my gut feeling is that most people won't come back to read article comments after this initial 6 hours or so — hence you might as well essentially make the user handles anonymous altogether.
Sorry habosa. You're not popular enough to do disruptive things.