It reminds me of an acquaintance who claimed to have worked at a red light camera company, where he bragged about at random times, the traffic signal light could flash red just for 50-100 ms, snap a picture, then change back to green. That way, they could keep the flow of red light camera tickets going but without being caught on driver dash cams with extremely short (or no) yellow lights.
Probably the best way tourists can fight back is to blacklist towns doing those shenanigans, but with larger cities like NYC, that can't really be done.
The best way to fight back is to blacklist everybody who has ever been employed by a red light camera company.
Use LinkedIn to track them down, create a public website where you name and shame them.
If you can find out where they live, confront them at their houses in front of their families and neighbors.
Until there's a social cost which makes acting like an amoral mercenary unprofitable, the number of amoral mercenaries will continue to increase.