There are hundreds of examples of states with high density, low income housing. Market forces abound, it’s in the rental industries best interest to keep supply just below demand. They also don’t want regular housing, condos, or upward mobility reducing their share of the market. Guaranteed housing, like guaranteed UBI may be the future, but it’s going to be four walls, a ceiling, and a door. That may be fine for some but it will drive others insane.