Meh, if you don't take charge of a situation, what do you expect. I'd have given them what for the first time any avoidable damage occurred, and if it happened again or I thought they were being reckless, I would have picked up the cars.

Still, on the bight side, your cars are relatively cheap and tbh, the damage of one day's teenage bashing ending up at $100ish is pretty good going. The body on one of my 5th scales is worth more than that! :P