alt Hacker NewsMy 1950+s grandparents drove everywhere and were fit. When we try to shoehorn so many agendas into one thing nothing gets resolved. It's also part of why so many people distrust everyone's agenda and truthfulness nowadays. Also 1940s America was mostly rural, not huge crowds of people walking together.
In the 1940s, a huge number of Americans walked because fuel was rationed for the war.
I'm not sure you could really find data to back your anecdotes.