He was totally wrong to do it and an muppet , but if he has grown up and learnt from it then we move on.
Drink driving is a very bad and stupid thing to do, but if someone has learnt from it and no one is hurt why keep it hanging over there head?
awful decision but he stayed at the scene and took responsibility. As far as I know hasn't happened again so I agree that it doesn't need to be brought up every 5 minutes.