The problem really, is us. Once people stop craving for huge plots of land, or for being adverse to public transport, we can more efficiently make use of our resources. Just as with self-driving cars, humans are the main obstacle here to a better world.
“Their conceptual model was based on a straightforward premise: cars take up a lot of space, especially when it comes to storing them all day while their owners work. In dense cities where land is scarce, according to the model, more cars meant there would be fewer people, unless those people could be stacked in taller buildings with smaller footprints.”