One way would be by implementing features the Lemmy devs have no interest in such as better interoperability with other fediverse platforms. If any added feature turns out to be well received and in demand, it would pressure the others to implement similar.
Generalizations that are oversimplified to the point of lacking all nuance are probably untrue because there are bound to be exceptions. Instead, try including ‘many’, ‘most’, or such as an easy remedy.
Specifically, landlords can create value when they handle property management and maintenance (and the related costs) efficiently. It is wrong that greed has made that so rare.