Yeah, it may be that Bookser's actions are a team violation too, but I look at it this way:
In the old days, if a kid (this is Bookser) did something really wrong in elementary school, the teacher/nuns would beat the crap out of him. If the parents found out, they'd yell at him, and tell him he got what he deserved, and he gets sent to his room.
Meanwhile, the brother breaks something in the house, and the parents lay some hard punishment on him. He gets punished harder by the parents than the kid with the more serious infraction (at school), but overall, the school infraction kid got a more severe punishment, so he didn't "get off light."