Landlords are completely capable of leaving units vacant all by themselves and there isn't any evidence that realpage clients were more likely to do that.
https://www.propublica.org/article/yieldstar-rent-increase-r...
> For tenants, the system upends the practice of negotiating with apartment building staff. RealPage discourages bargaining with renters and has even recommended that landlords in some cases accept a lower occupancy rate in order to raise rents and make more money.
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> Apartment managers can reject the software’s suggestions, but as many as 90% are adopted, according to former RealPage employees.