Hmm never seen that in a residential neighborhood, is that a thing? Typically there is not a trash problem simply because the residents are careful enough. Trash doesn't just appear out of nowhere
replyLandscapers tend to suck up trash while gathering leaves and such. So it's not as obvious as a dedicated trash pick up crew.
replyBut yes, it does also help that a richer community correlates with more care about littering to begin with.