> For the same reason you can't look over to your neighbor's driveway and say, since he doesn't use his truck all day while he's at work, why can't I drive it ?

Now.

This sense of ownership will be far more diluted once the truck is entirely automated and only needs ressources to run, while the knowledge that it could be far more efficiently allocated to be used by you at this time is made clear by our connected environment.

Then the same question will arise for your neighbor's truck: "why do we need to reserve ownership of these goods for the benefit of a limited portion of society?"

Starting from the fruit of labor, whole industries, to the minutiaes such as these. A connected world means that such micro-optimization would become possible.

So don't dismiss this on the basis that right now, this is not how we operate.