He’s a violent criminal. He should be off the street.
In no way do I approve of what he did. But unless there is more, your prescription is much too extreme. Even Chris Rock didn't want to make it a prosecution. It will be punishment enough that he has poleaxed his career and has lost rights and privileges of membership in the Motion Picture Academy. I hope he divorces his wife. She has ruined his life. Both of them should be banned from the Oscars in perpetuity.