I have to assume you have never been responsible for maintaining a property. Unless someone is renting out a cave on a triple net lease, your statement above is hilariously inaccurate.
> most people do not have the option of affording housing except through the rentier capitalist avenues of rent or mortgage.
If most people can't afford it, then why do most people live in a home that is owned by a member of their household (either themselves, or their parent/guardian)?