I think you might have misread what I’m trying to say. Human labor is becoming increasingly unnecessary, with the key point here being increasingly.
The pool of available work will never completely disappear, but as the job pool decreases in size due to being replaced by some combination of machine/computer, providing stimulus through the intermediary of businesses begins to fail as it no longer reaches people efficiently.
The pool of available work will never completely disappear, but as the job pool decreases in size due to being replaced by some combination of machine/computer, providing stimulus through the intermediary of businesses begins to fail as it no longer reaches people efficiently.