What you'd be arguing for is, instead of revamping the way cars work, revamp the cities themselves. I feel like the market tends to side with whatever is the "l

What you'd be arguing for is, instead of revamping the way cars work, revamp the cities themselves. I feel like the market tends to side with whatever is the "lowest initial cost of entry" when picking which direction to go in, as much as I don't agree. So, between the choices currently available - what is the option that is the lowest barrier of entry financially?