Most people do not agree. They have always moved to low density areas any time it becomes feasible. This is a constant throughout just about all of human history, and under just about every form of social organization. The wealthy have always had country estates, even in the days of ancient Rome. The nomenklatura of the Soviet Union had their country dachas, etc.
You are getting the cause and effect backward. The car made it possible for people to spread out while remaining employed, and they took advantage of that capability. It didn't force them to do it.
It's called voting with your feet, dude.