You sound like an out-of-touch elitist. Do you really not understand all this? Just out of curiosity, what do you and your parents do for a living?
> why not lower the average work week hours accordingly?
Because workers can get more money this way.
> this could be translated back to lowering the average work load of workers.
Yeah, but workers want more money, not a lower load.
> it just means that there is enough money to be earned
More money means more agents trying to earn them, which means more competition, which mean less profit.