You ladies are good people. Natalie, I am so sorry that happened to you. That guy was an idiot.
If it had been me, his car might not have made it off the lot without any dings. I might even have left a note saying something like "Good luck buffing those dings out, jack ***".
But I am weaker than most and give in more frequently to my angry impulses. I have a very "TOWANDA!" feeling about situations like that.