I can't believe this is even an argument, I'm pretty sure it's just retarded Amerifats and 3rd worlders who oppose it. It's probably an urbanite thing too, where they think they don't have to care about anybody except themselves and their own day.
Ma
It's just a common courtesy - do you litter trash because "there is a trash collector"? If you see someone get injured do you just walk past, because "someone else will probably help them"?
If you want to live in a nice, civil society, you have to do nice, civil things. People who don't return their shopping cart are spiritual niggers