The problem of generalizing in full effect. The reinforcing replies don't help either (how you like bubble life?). Hopefully the roadie forum doesn't get wind of this because then you will be on the spot to define 'hard-core' and 'purist'. Most of us don't litter. Drivers litter too. Most of them don't. I also don't see how hand gestures (that keep us safe from drivers and incompetent riders) and loud (to you) conversations (that are required in order to hear your buddy when you're cruising with a head wind) have anything to do with littering.