The mechanism is: - a rich kid wastes 3 years on drugs and partying, gets caught once or twice, gets bailed by parents, moves on to do something productive -

The mechanism is: - a rich kid wastes 3 years on drugs and partying, gets caught once or twice, gets bailed by parents, moves on to do something productive - a poor kid wastes 1 year on drugs and partying, gets caught once, it snowballs from there, recovery is very hard if at all possible