Another thing I wondered about is the impact of automation and volatility on, for lack of a better word 'involuntary' micro social interactions. Until fairly recently people had 'forced' social interactions when doing their finances, shopping etc. Even if involuntary they 'trained' people's social skills and withered away at their acquired/innate social anxiety. Furthermore, even in these situations the persons you i…
Someone once made the same point about fitness, you used to have to roll down your windows manually, but now its automatic. More and more muscle functions being eliminated by automation. Add them all up and it makes a difference.
Only trivially small ones that we'd do a few times a week. There's still lots of physical activity that we do (eg walking around, carrying things like shopping, sex, etc).
Plus, many people have replaced the small manual activities like opening car windows with going to the gym. Anyone who has a sedentary desk job but tries to live a relatively healthy lifestyle probably does far more activity than their parents would have done if they had desk jobs.