By separating the productive activities of construction and administration from the parasitic activity of rent seeking.
If you want a vibrant, sane, and fair rental market, we’d need an actual free and fair market in the first place.
that's different from providing rental housing, whereby owners earn rent by constantly working to provide safe and desirable housing. capitalism is premised on the idea of using markets to drive down prices to the marginal cost of production plus a small industry-/market-specific risk premium. rent-seeking is entirely counter to that.