It is something that eventually tends to happen, with the arrival of looms, desktop calculators, and factory robots.
Automation replaces jobs, but there must be people with jobs so they can buy what robots or AIs make.
If people do not have jobs, there will be no one to buy, and there is no point in producing if there are no people who earn money and can buy.
Yes, we will have to find new professions and new niches to earn money honestly. It is a cycle that continually happens.