They aren't saying landlords are the problem, they are saying Institutional Investors and Foreign Corporations being landlords are the problem.
Is there a good example of this?
Every corporation I've rented from have all fought me tooth and nail when I needed maintenance and did basically everything possible to ignore any and all complaints (because it costs them money, obviously). I have had to have a lawyer send a letter on my behalf more than once.
But that's just my experience, which has jaded me. Perhaps you can show me a non-hypothetical example of the other side and open my eyes up a bit? Any countries, laws, specific corporations which demonstrate a carefully-regulated market of institutional single-family-home lenders I should look at?
Anyways, I was just calling out that your logic didn't appear to hold. The right response to the comment that roots this subthread is "institutional landlords are not generally a thing". Again: the median number of properties a California corporate landlord lets out is 1.