For me its when I see a driver who is driving unexpectedly. Like speeding in areas with kids. Or driving at high speeds anywhere. Like roadways are build for a certain speed so we can anticipate oncoming traffic. Like lights are programmed to allow a block of traffic to go then a break so cars turning can complete the turn between the break. But if some asshole fucks it up by hammering the gas they will end up in between the blocks making it harder for all the cars to complete their turn since they now have to wait. So it’s the realization that traffic could be better and safer if it wasn’t for certain drivers