If you want to get rid of personal point-to-point tranportation tech, you have to provide something more convenient or get more coercive than most of the country has the political will for. Walking in winter cold or summer heat simply isn't that for most people. People enjoy privacy, people enjoy personal space, people enjoy their own music and conversation, etc.
It's similar to how you won't roll back the clock on iPhones and Facebook simply by posting nostalgic articles for the way things used to be. You have to address the added utility that has caused the adoption.