In the long term, a landlord can always take back possession from a tenant, sure. But in the short term, there are many ways tenants can retain possession of their home in spite of landlord wishes, backed up by valid public policy interests in having the financial details of people's homes not result in the elimination of people's rights.

You're talking about what is currently, I'm talking about the philosophical foundations of what could be. Analogous reasoning could be applied to SaaS (Software Augmented with Arbitrary Surveillance). Even if we were to consider individual private property sacrosanct, this doesn't need to extend to corporate property employed providing public-facing services.