I hope I would stop if I accidentally damaged someone else's property or vehicle.
I am afraid that I kicked the front wing of a Volvo many years ago, got it right in the crumple zone I believe.
It had overtaken me then almost immediately parked up to the left, slammed into reverse and swung back into a drive as I went to overtake it, without any regard for my safety whatsoever. I stuck my boot out to fend it off in self defence. I did not stop as it would only have led to an unseemly argument after dark (I was fully illuminated and the driver could not have missed seeing me, just didn't care one jot).