It's already happeneing. Many of us associate car ownership with immaturity, captivity, and a general sense of being annoying to oneself and others.
Each morning, during my bike commute, I see thousands of car-drivers stuck inside their cages, stopped in traffic, and I feel sad for these poor people; and at the same time annoyed for the enormous space they take, the noise they make, the pollution, and how ugly their absurd machines are.