They don't. But if you look at predictions of the future like those in optimistic SciFi, the dream was that automation would eliminate repetitive, dirty, and dangerous jobs, eliminate scarcity of basic necessities like food, and free up every individual to pursue whatever creative endeavours they wish.
What we're getting instead is the automation of those creative endeavours, while leaving a "gap" of repetitive, mind numbing work (like labelling data or doing basic physical tasks like "picking" goods in an Amazon warehouse) that still has to be done by humans.
What we're getting instead is the automation of those creative endeavours, while leaving a "gap" of repetitive, mind numbing work (like labelling data or doing basic physical tasks like "picking" goods in an Amazon warehouse) that still has to be done by humans.