The yellow lights might be too short. Cameras are notorious for that because the incentives are wrong; both the vendor and the city want revenue from issuing fines.
Cameras are notorious for being accused of being used for revenue but that’s mostly drivers not wanting to accept responsibility for their actions. The few cases where this has actually been backed by data (e.g. San Diego in the 90s had intersections below the legal minimum) are dwarfed by the number of times where it’s just people’s subjective assessments not matching objective data.