I admit that "monoculture" (as well as "straw man") are the words that many people use without knowing their meaning, I got carried away because it's the pretty common to read on HN that there is literally no MFH zoning and no commercial zoning, just SFH.
Scarcity being artificial is your opinion. I see natural scarcity coming from geometry: there are only so much land in certain distance from the given point. And yes, there are about three common ways to live where you want: already own a property, buy a property or rent a property.