That's exactly the problem. You're conflating renting out property with scalping. You're saying that Rental Owners are all villains, every single one, and that the world we currently live in would be better without them completely. That's stupid. That just seems like somebody has oversimplified a complicated socioeconomic issue using emotions like fear and hate, and is using that as justification to lose faith in a democratic institution of laws.

I am defending rental properties, I think it as a concept still exists even in a perfect future, because it enables travelers and low-cost living communities on a larger scale while also allowing specializations for maintenance. I think there are some good people renting out full sized homes for barely enough to cover mortgage and maintenance, and I think a lot of renters probably wouldn't be able to handle that sort of responsibility on their own and would end up losing their homes and money.