Even lower income people want a places they can call their own. Even lower income people prefer not to deal with other people’s noise or stomping or flooded sink. Even lower income people don’t want to deal with a building manager for repairs. Even lower income people want to be able to make choices in their living accommodations.

Plus these are probably all factory built and I see a simple gravel foundation. Cheap and fast to set up, but it’s still a house. Probably much cheaper than full scale houses