The team concept always prevails. It is a similarity that they have with the Armed Forces. Everyone pays for a mistake from one of their own. Call it wrong, but that is most likely what has been drilled into their heads from day one. We win together and lose together.
What he did was so egregious, that if they had disqualified the whole team immediately and not played the rest of the game it would have been justified. And in actuality, that is what the school principal should have done. He should have disqualified his school immediately and forfeited the rest of the game.
Secondly, this guy just threw his whole future down the toilet. Supposedly he was a multi sport stud, now who would recruit this guy?