Perhaps I was lucky to get a cop who wasn't so much of an asshole that he'd write me a ticket despite seeing my best intentions to deal with a situation that could happen to anyone. Then again, I could have been pulled over by a guy who would have started off nice and thanked me for being conscientious enough to stop for the part that night.
So people that don't make a good impression get screwed out of a grand they probably don't have. Relying on the benevolence of police is not going to work out well for average people in the long run.
One of the reasons states increase fines regressively is because the targeted acts are committed most frequently by those at the lower end of the income spectrum, and existing fine amounts were insufficient to deter such activity.