This would give them some discipline and make our neighbouhoods safe again. It would teach them the value of things and put some moral fibre back in society. And they would be doing something of value instead of wasting taxpayers money on prison sentences, NHS services helping their victims, policing them, repairing the damage to property etc. Once someone violates another person's rights, surely they compromise their own. Sometimes people need to learn lessons the hard way.
To deal with the problem of anti-social behaviour, send youths to the army. Perhaps give them a warning first?