WOW! It is good to hear that you rode away from your crash. About the lack of aassistance. Nowadays people are afraid to help anyone in a situation like that for the fear of potential lawsuits. Which of course makes it a shame. The least someone could have done was to pick up your bike and other stuf and moved it out of the way. Geez like that is real difficult. Also a friendly "Are you ok" would have helped.
Maybe it is the length of our hair or something, I don't know. Well as long as you learned form it.