What happened to cheap mass producedhousing in 1971?

Read this article of the history of the failure of the levittown mass production  housing company.

https://www.construction-physics.com/p/why-levittown-didnt-revolutionize

Note this startling series of statements which bitcoiners will understand immediately:

" .....Levitt’s fourth Levittown was stopped in its tracks in 1971 when Loudoun County, Virginia refused the rezoning required, ......

....Not only did land use controls and development restrictions slow down and prevent new home construction, but they drove up the price of land, and thus the cost of all other homes. A 1968 report from the National Commission on Urban Problems noted that “the net effect of public land use policy is to reduce the supply of land available for modest cost housing and thus to increase its cost.” 

Yes, in 1971 20 years of cheap mass produced housing came to halt due to the sudden appearance of supposed "environmental" foces implementing new land use laws and procedures known to drive up housing costs. 

Read more about the rise and fall of levvittown at ConstructionPhysics

https://www.construction-physics.com/p/why-levittown-didnt-revolutionize