I shall never work in customer service, ever. I try to be nice to the people across the counter from me, but they really can act like entitled dicks sometimes, can't they?
Anyway, there's a site you might find depressing, might find amusing. Perhaps you know it already:
http://notalwaysright.com/
Edit: Though really, I'm guessing that over 60% of the stuff on that site is either made up, or at least embellished hugely.
Also, all those in favor of declaring Kyrlo Most Evil User, say aye.