People who break the law like to say this but I've never lived anywhere where, if that were true, the city wasn't inexplicably leaving tons of money on the table. Usually it's a token effort at addressing safety issues caused by poor road design and an excuse officers like to use to stop someone when they want to search their car.

EDIT: as a thought experiment, imagine that we went full cyberpunk hell-future and they started letting private equity companies put up cameras anywhere some MBA thought their cut of the ticket revenue would pay for the camera. How many speeding/stop sign/red light tickets do you think the average driver would get on their way to work? Now ask how different that is from the average driver's experience almost anywhere.