[Zigurd]

Even a minority of self-driving cars will change traffic, probably for the better in the vast majority of cases. Human drivers following a self-driving car will have to adopt the self-driving car's caution, moderate acceleration, and deference to pedestrians and cyclists.

[jarek]

Good luck getting anywhere in Manhattan if you practice total deference to pedestrians and communicate that you do (e.g. by looking like a Google car)