So there's just nothing to be done then?
Come on. Just try to think of ways things could work differently
In cities you have the city build the big buildings. The one organization with both the pile of money and incentive builds new housing. Hell, the city can just hire the workers directly, why not. Give them a budget and have them go around building and maintaining the infrastructure. You don't need investors, you don't need permits, you're already the city
I'm not saying we go back to monke, I'm saying everyone needing a mortgage to buy a house is insane and not some natural consequence