@nolobede dude, settle down. They were screwing themselves, not the fans. Both cups hold 20 oz. If you paid for the 16 oz. beer, you were getting a little extra because they screwed up on the cup sizes. If you paid for a 20 oz. beer, you still got what you were supposed to get - 20 oz.
@richardgrahamjr i don't think he sounds stand-offish... i think he sounds (and looks) exhausted.