Kids nowadays think they can get away with everything. They don't get punished hard enough, and ASBO's have become a status symbol among yobs. When we first came to England, I was shocked at how rude and loud many kids were. Even in a rather "posh" area like Richmond there are many who have zero respect for adults, animals or other people's property. I am from a small town and not used to that at all. But I know it is getting quite bad in the poor parts of Berlin and Munich etc. as well.
We had a case of a teenage offender who had committed 60 crimes by the time he was 16. Whe he was 16, he was old enough to be punished, so when he committed another crime, the court decided to send him to Turkey to live with his uncle. It started a huge discussion, because a teenager was kicked out of the country without his parents. He then became a TV star in Turkey, before he was caught stealing a computer from the TV studio. He managed to force his way back into Germany for a while, but after attacking and threatening his own parents, he was kicked out forever.
Unfortunately most troublemakers here have a British passport, so can't be kicked out of the country. But I think there are several ways to punish them and to keep them from doing more stupid things. The punishment has to involve some very un-cool work, like cleaning up after dogs etc.. An ASBO alone is not a punishment. If kids misbehave on the bus, like a lot of school kids here in Richmond, the bus driver should have the right to kick them off the bus and make them walk. If they abuse animals, they should be forced to clean up stables or pens in animal shelters. An ASBO does not teach them anything. If they think they have to entertain the whole bus with rap music on their phone, they should have their phone taken away. Unfortunately that would only work if there was a guard on the bus, as the driver can't do all these things.
I don't know if you have boot camps in this country, they seem to be quite popular in the USA. But I don't know if they teach the kids anything useful. They just get shouted at and made to walk, like in the army. It would be better if they were forced to do some work that is of use to society, but which they don't enjoy doing at all.