Keep in mind that most everything you do with the intent of harming landlords ends up also harming renters in some ratio.
Even if you think the perpetuation of capital unfair the realities need to be acknowledged in order to even begin to think of a viable alternative.
I lived in houses rented by these part-timers and they were pretty haphazardly managed compared to the [fewer] times I lived in clearly corporate-owned and managed properties.