But certain countries will build a culture and infrastructure that completely revolves around the car and results in the average citizen walking only 3,000 steps per day [0].

Interfaces will exist because sometimes we need them (walking between your car and the actual destination) and sometimes we like them (just like some people like walking), but just like walking, they may lose massive share.

[0]https://www.mayoclinic.org/healthy-lifestyle/fitness/in-dept....

Not the best analogy considering that most cars use pedals.