Earlier quoted context omitted.
> 20% of market capture does not cause homelessness Right, which is why trying to link the two is misleading at best. > there are many valid arguments that treating housing as an investment isn't a stairway to ending homelessness Such as? We seem to agree that the existence of rental units isn't a cause of homelessness.
Turbo Greed (acquire all the things) and lack of monopoly protection and enforcement. If we're going to tackle homeless, we have to remove systems that incentivize the collection of homes as a financial asset. Make more homes by one person or entity less desirable or simply undoable.
Instead of trying to manipulate a market through yet another layer of regulation, you can just let builders build more.