I'm not sure how more concentration of people in cities is such a good thing when so many already can't afford it. It seems like what you suggest would make a s

I'm not sure how more concentration of people in cities is such a good thing when so many already can't afford it. It seems like what you suggest would make a significant portion people go from living comfortably I'm the suburbs to being homeless in the city. Being homeless has a cost too. From the way you describe it, it seems to me that the suburbs are/were an effective social program to reduce homelessness.