um, first, stop assuming because you're wrong and the fact you can't think of anything besides those two things shows your limitations.
Second, you do know punishment doesn't work do you? Or you're one of those weird church nutters that believes jesus did away with all religious requirements except for the punishment of children? See, how I copied you? I even left out the most obvious fanboi option.
and 3rd. Monkey see, monkey do. If you read the postings on the topic here there are a significant number of people who were bullied that would relish the opportunity to bully someone weaker or in a weakened position.
Forth and most significant, don't you want to know how he 'solved' bullying? Doesn't that seem the least bit important to you?
No, of course not. You've already solved it with 'punishment' which in your head seems to be abuse that's sanctified because of its 'educative' goals.*
Of course, that's how perpetrators of any human vice justify their personal use. They alone, out of the whole human race, actually have a reason for their actions.
* If bullies are frequently heard talking about how they're going to teach-someone-a-lesson, in your world does that mean we should let the abuse slide and just judge them on their poor teaching skills?