Blokable prefabs look horrible. We don't need cubes/boxes to shove humans into, we need real homes. The housing shortage isn't just about a lack of shelter but about a lack of human spaces.
(Effectively) banning SROs in many localities did nothing to improve poor living standards, and probably made them worse since choice was now between being on the street or being in illegally subdivided SROs.
It blows my mind, but I have multiple friends regularly linking me to container-related housing projects ever since I bought land and started building cabins.
I don't personally want anything to do with containers, but there's definitely a housing market for those boxes.