2) That Glee autotunes their singers, who probably don't even need it. I don't watch the show, but the principal makes no sense.
3) I'm a student, and I hate when other perfectly healthy students keep using the automatic handicapped door button instead of just opening the door. Maybe I'm just being crotchety on that one.
4) Angsty non-conformist atheist kids who've managed to learn it all in a single semester of college despite doing no actual work.