Earlier quoted context omitted.
It became vital back when economies first started to specialize. If you take the net the fisherman wants to use and string it up as a hammock, you're going to eat fewer fish later. If you take the blacksmith's tongs and use them to crack walnuts, you're not going to get that handful of nails that you wanted to build your house. Property rights alleviate the tragedy of the commons, by taking resources with multiple po…
In all your examples, you're talking about tools that would be finding direct use. How do you reconcile your allegories with empty houses purchased solely as stable investment vehicles instead of actually housing people?
If you put gold in a vault, it retains its value. But it cannot be used productively. If you instead loan the same gold out, you can charge interest, and some of the value generated by the gold performing its productive function as money will diffuse back to you via trade.
As a whole, the entire economy would prefer that all tools be put to productive use 24 hours a day. But the individual Nash equilibrium strategy is to selectively employ or withhold the use of those tools for greater personal benefit to the tool owner.
In the government's role as cartel enforcer, it would be in the interest of the whole cartel for the enforcer to levy a vacancy tax on investment properties. That reduces the personal benefit of idling the productive tool, but the enforcer then also has the burden of returning that value to the economy in a productive way.