I think we're most critical of and tease the ones that we like the best, even though we still love them. It's like some sort of bizarre reversion to first grade or something. Heh, I like to think of it as "we mock because we care!"

But seriously, I think it stems from us being big enough fans of Adam to recognize that he's not perfect and still love him anyway. Sometimes the imperfections even make us love him more - like the attempts to dance that bring a smile to our faces, the barely legible autographs, etc.
SD, what's with all the initials?
"There was this one time an alarm went off - it was in the middle of '24.' That's just wrong. Everyone knows everyone was watching '24' at that time."
--NYU student quoted in the Washington Square News about students ignoring the frequent fire alarms in dorms