I've never heard a discussion on quitting cars anywhere offline, to be completely honest.
The amount of people who currently drive cars who think to themselves, "You know what would be better? If I were sitting on some form of public transit right now..." is a very small portion of the real world population I assume (In North America)
Sometimes, the internet is not real life...
You're looking at it backward. I think almost everyone who sits in traffic or nearly gets in a crash by someone doing something stupid thinks, "Driving is awful." They've just been conditioned to think there's no alternative.
The convenience is hard to beat even with good public transportation.
Yes, cars are a horrible implementation of socialism. Everyone pays for extensive roads networks and maintenance because cars are impossible to use without them. And then everyone pays for cars and maintenance because traveling is impossible without them. And car dealerships get rich scamming your mother.
You can go anywhere at anytime on foot, as long as somebody doesn't build a wall. Public transit isn't supposed to be door-to-door. It's about enabling true freedom of movement by connecting you across longer distances. Cars are about making all distances long.