I agree that concentrating poverty makes things worse, however, that is highly unlikely to change. The development patterns you mention are the explicit result

I agree that concentrating poverty makes things worse, however, that is highly unlikely to change. The development patterns you mention are the explicit result of planned development with the express purpose of segregation. The US is the way it is because it's how the majority of people prefer it to be. Nobody wants to see the ugly underside of poverty. Most people prefer to wall it off. Out of site out of mind.