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!
This is a myth; fact check please.
When I worked as a cashier in Walmart, it was similar to tax refund day. With people buying the largest flat screen TV's and consoles.
There were some people who saved their money but the majority used it quickly.