It doesn't really talk about how democrat-implemented policies contributed to this at all, it just talks about how the solutions are being stopped by the very wealthy. As ALC said, one senator who happened to be a democrat put the bill on hold. A republican would easily do the same exact thing, party isn't the defining factor in that, it's a money and entitlement thing. New York already has huge apartment complexes and condos near public transportation, and our homeless problem is not nearly as bad, though still bad:
https://www.forbes.com/sites/niallm...less-people-in-2018-infographic/#540242b81178
(keep in mind, New York has a population of over 8 million while LA has less than 4 million)
We have a different set of problems that contribute to this. I'd still like to know of a major city controlled by republicans without these issues though.