where only the rich can have homes that give true ownership and everyone else is stuck in multi-family homes This is the world right now, except that many are

where only the rich can have homes that give true ownership and everyone else is stuck in multi-family homes This is the world right now, except that many are "stuck" not in multi-family, but instead are precariously housed, or not housed at all: https://www.evictedbook.com/ https://www.evictedbook.com/ The big missing factor in your analysis is cost. Someone who might be able to afford a $200K home might not be able to at $400K. The goal is to give people a diversity of options. https://jamesjgleeson.wordpress.com/2018/02/19/how-tokyo-built-its-way-to-abundant-housing/ https://jamesjgleeson.wordpress.com/2018/02/19/how-tokyo-bui...