I'm not sure that's a great gauge since most people agree that mass transit is a good thing and countries with good mass transit (Like Germany and Japan) have less need for cars. It's still way better than GDP though, I think!
Discussion
most people also agree that vaccines are safe and effective and eating bugs prevents weather.
here, i have some writings ( my own ) for you on the subject:
https://dissidentsound.discoursehosting.net/c/urbanism/urbanism-explained/88