The foundation exists, it is now merely a matter of using it. Your example is nonsense because it just as useless to a stranger as a plus code without a mapping

The foundation exists, it is now merely a matter of using it. Your example is nonsense because it just as useless to a stranger as a plus code without a mapping tool. When giving someone directions for how to walk to the bank you don't refer to the address but waypoints. As you always would anyway, plus codes or not.