Encapsulated in the idea that walls provide security is the concept of fear. Fear is one of our four base reflexes, along with reflexes governing reproduction, violence, and foraging, it is the second half of the "fight or flee" instinct. Fear is a constant, society is sick with it, the fear that some day the walls will not withstand the rising tide of alienated rabble. One type of barrier is the division between the "haves" and the "have-nots." In the case of homeless people, and the prison populace, or the ghetto, the projects, and the trailer park, the wall is an income gap. It is as tangibly geographical as a line in the sand, and as impassable as a moat full of crocodiles. As long as certain areas are designated as "poor" they will serve as sites for dangerous activities: polluting industries and landfills crowd these minimum security prisons for the disenfranchised lower class. Actual prisons are common to poverty stricken areas as well, in fact they are welcomed., since the jobs are comparatively safer than elsewhere in the vicinity and city traffic stimulates local business.
The necessity of confining somebody who has little or nothing to loose is as essential to the system as the complementary need to direct the movements and actions of the well-to-do. Just as long as there are clearly designated destitute people, there will be methods for quarantining them. So called "respectable folks" is an unbelievably ironic term, because the bourgeoisie are fleeced like sheep, whereas the poor are as wolves, feared..
A tourist trap is a model for any city, with some destination(s) as bait in it's center and impoverished regions around the industrial zones. To travel along the perimeter is difficult, as suburbs are disorganized. and public transportation wanting. Middle class families, the holders of fairly lucrative jobs like medical specialist or construction foreman dwell in these outlands, wasting fuel in the rat maze on their daily commute to and from work. In less wealthy nations the wall that separates the city from the countryside is a slum, either way, it is difficult to navigate through. All in all the whole matrix acts like a prison, a debtors prison...
