I expect a certain level of professionalism out of a home plate umpire. And apart from simply enforcing the game rules he/she should enforce unwritten rules like sportsmanship, hussle, and language. And a knucklehead parent in the stands picking signs or pitches is not only unsportsman like, its uncalled for and I wouldn't accept it. I'm amazed as to how many people don't live by the "Golden Rule"...