I'm the first person to speak out about rampant police brutality and the 'Blue Shield', but to be completely fair here, there are really just a few examples shown of him being a complete dick. (Slamming his son against the wall, swinging on a fellow detective, hassling the wrong guy.)
The clips are out of context, obviously - in many of them he is dealing with rapists, child killers, sadists, and worse - the filth of society!
My uncle was the sheriff of a town in Upstate NY for many years and was a good man. A farmer and agriculturist, as well. All I'm trying to say is, there is some real slime slithering around out there....constantly trying to mop it all up in a diplomatic manner and still sleep at night can really take it's toll.