Commander AI seems incredibly aggressive towards human players

When playing free for all commander, the AI seems to be incredibly hostile to human players. Even when the human player is not a threat ALL of the AI players will gang up on them. It makes for a very unpleasant experience when trying to fill out a game with some AI. They will avoid clear threats from the other AIs in order to kill the human player.

Either the AI difficulty is too low and they become useless, or it's two high and they are cruel/insane.