I guess no one paid attention to Steely.
If Chicago's garbage is tucked away in alleyways then it's "out of sight, out of mind" for visitors. Whereas shop owners, delivery drivers see this side of Chicago all the time.
Regarding rats, I'll never forget that the city of Buffalo once had a really bad rat problem. The biggest solution was the city implemented huge plastic totes to store garbage that are large and heavy so rodents could no longer have an easy food source. Within weeks the rats were invading all the inner suburbs