A central problem here is also that they are nomads. They don't live in the area, they aren't from the area, they aren't integrated into the area through work,

A central problem here is also that they are nomads. They don't live in the area, they aren't from the area, they aren't integrated into the area through work, they simply exist in the area until they get bored and move on. Why would anyone want these people in their neighborhood hangouts?