I have mixed feeling about the red light cameras. In several cities I have found that people in turn lanes feel entitled to continue on the same light, long after it has turned red. I have counted up to seven cars passing after my light has turned green. In some cases they consumed the entire cycle of the light for my direction. One or two might be ascribed to making a bad estimate of the time to clear the yellow, but not seven. This can't enhance safety, and surely resulted in some road rage. In Tucson when red light cameras were installed it largely stopped this behavior at the intersections having cameras. But those people who got caught stretching the lights raised such a clamor that they were removed and the old and bad behavior returned.
The problem is not fundamentally difficult. As you approach a light you know that it may change. When the caution arrow comes on you may have a decision to make, but in most jurisdictions (not some suburbs of Portland) there is some margin making it pretty easy to make a legal decision. If you can't make speed/time/distance estimates at the speeds involved in turning you probably shouldn't be driving. The only ones who are forced into dangerous behavior by trying to comply with the law are those not driving sensibly in the first place. Particularly the one in back of the one slamming on the brakes who was definitely following too close.
It is simple on the other side too. In the Tucson example human operators (often police) reviewed the camera data. As was reported they were legally very strict on the definitions of clearing the intersection, etc. If they had only ticketed the flagrant offenders, letting those who barely crossed the lines it would have resulted in far less anger, and quite possibly still ended the multiple vehicles passing a red light behavior.