Are the smokers dirty?

This past week-end I had to kill some time downtown Toronto, waiting for my wife; she participated in an event, few hours long.
 
I stopped in a park somewhere on Queen Street West. It was a little bit hot outside, but in the shadows of some big trees was quite right. I found a very wide bench in the shadows of a near-by building; I took-off my shoes and stretched my legs on the bench; it felt good after a 15 km walk.
 
I Enjoyed myself looking to passers-by people.  At a certain point, a guy, eating from a cassolette, dropped it when finished, and the garbage bin was only 3-4 meters away!  Note: I picked it up and dropped it in the garbage bin.
 
Some time later another guy passed-by eating a sandwich. He stopped near the garbage bin, finished eating, drank all the content of a plastic bottle, and dropped the sandwich paper and the bottle in the right bin.
 
I tried to remember how many times I saw people dropping things on the street, and how many times they did the right thing. More often then not, I remembered people doing what we expect from educated individuals. I do not have a scientific study, but I might say, more then 90% were the good ones.
 
Looking around, I see many-many cigarette buts. And right there, memories about smokers came to mind. I remembered seeing people smoking in their cars (driver window down, dropping the ashes on the road). All cases I remembered, after finishing they dropped it on the street. Note: every car has ash-trays.
 
Then I remembered people smoking on the street; same thing, the cigarette ended up on the walk-way. Even worse, I saw many smoking near a garbage-can having special tray for cigars, but the smokers preferred dropping them. Note: after the law forbidding smoking inside buildings, most (if not all) business buildings have those ash-trays near all doors; and I saw the smoker preferring to drop the cigar then placing it in the tray, 1-2 meters away.
 
OK, there were exceptions, and once again, I do not have a scientific study, but my guess is that the percentage is the other way around, 90% of smokers drop their cigars on the street.
 
I am not a smoker, and here I am in the assumption territory. They might think that cigars are small and do not hurt the eye as much as bigger garbage, besides, it is theirs, and maybe look nice down on the street.
 
I would like to remind them that I do not mind my fart, does not smell very ugly for me, and who knows, maybe for the smokers as well, smell nice.