At this point I think most Americans simply can’t conceive of a society that isn’t car centric. Some want a car centric society because they don’t know another way. Walkable communities are overall healthier and I think it would be best to get away from a car centric society even if it’s something people don’t desire. The average commute is something like 20 miles one way. This number increases as the population increases and maintaining that infrastructure long term is a waste of resources and environmentally unsound.