"While kids sit at home texting their friends and slaying computer-generated monsters, a growing number of their parents and grandparents are clogging the roads atop a contraption that was once considered a child’s toy." – D. Dowd Muska
A very interesting formalization of the problem, it is as if kids stuck at home with nothing better to do is not only good but ideal and its only the old folks out and about on a bike that is the scourge of American life.
https://dowdmuska.com/oldId.20100610112701613
Biking in Baltimore