It's really not. Car centric society is actively harmful to damn near everyone. If you've got the space and everything needed for a no holds barred high speed nonsense like the Autobahn, you can absolutely build a damn train.

You're acting like they don't already know and ignore it because they find it way more fun to slap a three foot horsecock on a bird.

Pretty sure the second part would require living in the mountains or the middle of a desert and never going to town or having visitors. They'd have to get supplies airdropped.