I invite you to imagine a scenario beyond normal authority as we know it. Say a freecity, where smart contracts such as this are regulary entered.
Its a really elegant solution. If catastrophic levels of intentional damage are a risk, i would assume a property owner could request an arbitration agrrement. In unintentional circumstances it would be insurance's problem.
This really is the sort of thing i saw arising out of bitcoin. Something went wrong ten years ago.