> Could it be that he's biking as some sort of recreation perhaps? He could be trying to impress someone. Maybe there's a bet involved. Maybe he's trying to

> Could it be that he's biking as some sort of recreation perhaps? He could be trying to impress someone. Maybe there's a bet involved. Maybe he's trying to affect bicycle sales. People do things for many reasons. However, observers are really bad at figuring out said reasons. See http://en.wikipedia.org/wiki/Fundamental_attribution_error http://en.wikipedia.org/wiki/Fundamental_attribution_error for some related discussion.