Lebs are quite nice if you don't bother them, just like most other races.
The place runs in a well-oiled system, it's like they are a country in itself. And those shootings are obviously by the honourable people risking a criminal record trying to get rid of the few people who cause the negative thoughts towards the great suburb. Good on them. I'm sure the fancier suburbs have heaps of assholes but they don't do anything about it and so they breed and increase their numbers