RLJ (Red Light Jumping). (The definitive bikeradar thread)

Should you chase after them and point out their fuckwittery?

The moral complexities of riding a bike.

I tried to chase a man with an almost-undone rear wheel yesterday so I could tell him, but he was too busy doing an impression of that star wars race through the traffic, and I was on my work bike

there's only so much you can do, I suppose he will find out soon enough