None of this will happen. Because it can't happen. Because it would never work. The article is alarmist.
Providing adequate housing is something that Government simply isn't good at doing. Inherently there will be a shortage of quality housing. The market, or at times a private/government partnership leads to better housing choices and opportunities.
More interesting, the article mentioned Minneapolis banning the use of credit scores. And Seattle banning the use of criminal records. Others are calling for "sealing" eviction records.
When the government prevents private landlords from protecting their assets and forces losses onto them, a very predictable event occurs: disinvestment. The result is that housing opportunities and quality decrease.
The overall goal is good: Create good, affordable, safe and fair housing. But don't try to achieve this with bad policy. Luckily, various trade organizations including local Realtors, are in favor of sensible laws that protect both the tenants and the providers of the housing stock.