I think people thinkdomtyler said:They probably think it is a really nice, calm, relaxing experience to have twenty tonnes of steel and rubber unexpectedly roar past at fifty miles an hour two inches from your head.
a) it's not really *that* close
it gives a little scare or
c) they don't give a monkey's what it feels like
I reckon actually experiencing it is different to the way the driver imagines it, and there could well be some benefit in them cycling a mile in someone elses shoes. Never happen, of course.