Cigarette butts are one of those odd things that are still (somewhat) socially acceptable to flick down a drain or into a road - at least that's what I've seen

Cigarette butts are one of those odd things that are still (somewhat) socially acceptable to flick down a drain or into a road - at least that's what I've seen living in Berlin and Estonia and travelling around. It's always been quite odd to me, if you were eating a candy bar on the street you wouldn't just drop the wrapper when you were done, but if it's a cigarette as long as you extinguish it, you can drop it wherever you want