If you tried that your politicians would get tossed out of office the next election.

Your argument totally ignores that all this infrastructure was built around using cars. Doing things like banning street parking doesn't magically reorganize the way everything was built out over the last 100 years. Took a 100 years to build this will take 100 or more years to undo it.

I'm also suspicious the people pushing stuff like that would in a different time and place would be wearing hair shirts and flagellating themselves. All nice but that's not most people.