The U.S already did this, starting in the 40s-50s up till now, and it's horrific. The idea of building infrastructure around everyone having a massively expensive and wasteful machine to get anywhere they want as fast as possible all the time (and without any energy expenditure) makes for a hellscape. It's fine to like and own cars, but cars should be de-prioritized in planning and infrastructure considerations because it makes everything worse for everyone, including car owners. Might as well design cities around providing everyone with personal planes at this point.