The concentrated high rise public housing model was panned in its own time. The housing advocates at the time encouraged diffuse public housing. Instead the ex

The concentrated high rise public housing model was panned in its own time. The housing advocates at the time encouraged diffuse public housing. Instead the existing (white) political machine used high rise public housing to explicitly punish and break up an ascendant black political block. They used highways and a university campus to the same effect. In fill housing, at least in Chicago, is not a problem as we have both empty lots and tons of single family homes that can become 2 and 3 flats. Along with that you can add small specialized housing for various populations that need it.