If this exists and people are willing to buy it then their revealed preferences mean (according to them) this is the best option. If you try to prevent things

If this exists and people are willing to buy it then their revealed preferences mean (according to them) this is the best option. If you try to prevent things like this from existing then you are just forcing people into what is by definition a worst option (either homelessness, a more expensive place, or a place farther away).