Also, in addition to isolation and https://en.wikipedia.org/wiki/Capability-based_security between processes, capability security within processes, see languages like E (https://web.archive.org/web/20260506035108/https://erights.o...) or Monte (https://monte.readthedocs.io/en/latest/index.html)

I can't find it right now, but I think it was used in deserts in the US or Australia

Where developing countries have vendors on the streets, industrialized nations have vending machines instead, by pure economic and demographic necessity. The existence of an automation tool doesn't imply a human having to work harder somewhere else.

And why do you assume people would sit around doing nothing? I don't think that's a natural thing for most people to do.

How financial and social systems are set up seems to be very much a societal choice, unless it goes against some physical, basic economic or global trade limitation.

Interesting note on the native tribes though!

Surprisingly, i couldn't find any calculator or theoretical approach for estimating this (given room of a certain size, how long does gas need to equilibriate with outside atmospheric composition to within some tolerance, through a hole of certain size)