What's a bit disgusting is that yes the privileged nature of thinking is of course accurate, and all the time before the 19th century was very oppressive to the

What's a bit disgusting is that yes the privileged nature of thinking is of course accurate, and all the time before the 19th century was very oppressive to the women and other groups, but that's not quite relevant to the story of walking being good for thought. It's like in the USSR where Physics textbooks had to be prefaced with quotes from Lenin and Marx just to check off the current political agenda checkmarks and allow the otherwise completely unrelated to politics text to get published.