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I personally thing there is to much complaining on the field, each pass to a striker, someone lifts the arm and calls for offside. Look at the Kevin Muscat muppet on the sideline he is constantly complaining about every little shark. It's not good for the game, just fudgeing accept that you did not get the throw-in at the center of the pitch.
Muscat behaves as a coach the same way he behaved as a player, including the binary range of facial expressions ("blank" or "murder" only, with no intermediate settings)