I'm sure Americans would be closer together if more things were walkable for more people and I don't oppose investments in walkability. However, some people don't want that, some people are thrilled to drive a big vehicle and burn a gallon or three of gas to pick up a case of beer and log of chewing tobacco.
What virtue do we need to inoculate into Joe Sixpack to get him to participate in a the vegetarian version of personal transportation?