Not clever cycling that! I thought he was heading for a textbook left-hooking at the lights.
Baaack to your question. I know you don't believe in listening but I personally find it useful. Not essential, but useful. Maybe its the type of country-bumpkin riding I do, but my ears can be a good early warning for several of the blind bends and dips that I face on my commute. In town, I agree that your hearing is shagged by the ambient din of engines, heavy bass and taxi drivers calling you a front-bottom. I'm not going to die a death if someone wants to ipod their way to work but, like marijuana, I tried it once myself and didn't much like it.
I suspect that matey was not much concerned with looking or listening.