Originally Posted by
kickstart
What you're not taking into account is that those "labor saving devices" are to increase how much total work one can accomplish, therefore it doesn't really change the amount of energy expended by the worker.
That's crazy. Watch the cop riding around on their platform. It looks effortless. And I discussed it with one that told me as much. I used to see a grocery clerk pushing a bunch of carts and really leaning into it to get leverage. Now they sit and push a button.
There's more energy being expended but it is NOT human energy!