Along similar lines, I think the fact that many cities aren't particularly bike-safe causes (some) cyclists to behave more assertively to the annoyance of motor

Along similar lines, I think the fact that many cities aren't particularly bike-safe causes (some) cyclists to behave more assertively to the annoyance of motorists. This adversarial relationship hinders potential political cooperation. Admittedly, when I'm driving my car or riding my bike, I often find myself getting mad at people for doing things I know I also do when riding my bike or driving my car.