These threads tend to devolve into, "Americans are so unsophisticated everyone else in the world is banning cars and turning downtown into walkable utopia" but what they really mean by rest of the world is a few crowded European cities. If you look at all the new rich mega cities built in the Middle East and East Asia cars continue to exist alongside good public transit as aspirational status icons and the preferred means of transit for people who can afford them. Cars are never going away.