I'm with you, but many people still question this. Here's a recent pre-print paper that was in the news arguing that inequality, not lack of supply, is the real source of housing affordability: https://osf.io/preprints/socarxiv/95trz_v1

The black pill about that story isn't that a (crappy) preprint exists, it's that it got coverage in the press and was viral on social sites.