Walking barefoot and living in a cave is also not the end of the world, but most of us would not prefer that kind of life. Not everybody is like you and not everywhere is like Amsterdam.
Of course they still own two cars and drive to work despite it being "only" a 15 minute bike ride. They are both MDs.
Yeah, I always marvel at Americans who think that Europeans walk, cycle, or take public transit everywhere. Some do, especially students and retirees. However, for working people, car is still king.