I don't think it's a good thing
Cuz in the previous updates, there was a feature, if someone other than mechanic, attempts to fix your vehicle, he might fail
But if mechanic attempts to fix it, he do it well without breaking it
Eventually his job to fix it rather than destroy it and get a level wanted as a felon, and may he didn't mean to kill you, but the system make him intention so, while otherwise he's innocent, -1.