I don't think many of us feel that the minimal risk of getting blown up by a cigarette near your car is that serious. If the cigarette were to leave some kind of mark (OH NO), it can be EASILY touched up. By the way, don't drive the car. Cars are known to throw stones with their tires. Imagine the nice dinger you'll get on your bumpers and hood, and even dings or cracks in your windshield that you'll be getting.
If you're going to own a car that would make you so uptight about things that nobody has ANY control over (and yes, NOBODY has control over people throwing cigarettes out of their window. if you smoked, you'd do the exact same thing... and this is coming from someone, me, that DOESN'T smoke), then is it REALLY worth the thousands of dollars put into the car, when you think that everyone should revolve around it and worship it when you piss and moan about the smaaaaaall chance of you even needing SOME sort of minor touch-up job that would be QUITE inferior to the price of the actual car itself?
People with fancy cars that they want everyone to BE EXTRA CAREFUL AROUND, even though they were the dumbass to put so much money out to buy it bother me. People shouldn't change their ordinary behavior simply because the Pope of the Road is next to them.