Earlier quoted context omitted.
Its simple - tax landlordism out of viability.
How do people who can't afford to buy then survive? I'm in NZ and we've just seen laws introduced that makes being a landlord more expensive and unsurprisingly it's seen rental increases as a result.
You could even do a construction project and bill the land lords for that directly. In an even crazier universe they would get something in return for the [forced] investment.