There's been at least one admin on every time I've been there, with the exception of times late at night.
And yes, of course people votekick for being AFK, it holds the game up.
And yes, of course people votekick for camping, it's against the rules and a richard move.
And yes, of course people votekick for teamkilling sentries, as that is also against the rules and very stupid.
And yes, of course people votekick for-
No, votekicking votekicker is not against rules, and is infact stupid.