Originally Posted by meanwhile

I'd say the lesson, if there is one, is that you shouldn't wear stuff loose enough to snag and strong enough not to tear if you're going to make close passes to vehicles. Bike racks aren't the only thing that could snare a rider - think of the possibilities with trucks and pick-ups . From the above it sounds like the jacket was open?

Not that I'd say that the rider was in anyway culpable - this isn't something that anyone would expect.