An a**hole once scraped down the side of my Gemini (nicely painted) from the rear quarter behind the rear wheel, all the way down almost to the front wheel... I was so angry I couldn't contain myself and stood yelling and carrying on in the carpark for a few minutes lol. Since that incident, when parking the Gemi anywhere I left someone in the car just incase another a**hole decided it was a great idea to scrape the whole side of my car.
What can ya do??? Not much