Farmers won't be fired. AI won't replace plumbers. Hairstylists, chefs, landscapers, escorts, nurses, fisherman, etc. There are and will be plenty of people with jobs that AI can't do.
We can keep moving the goal posts all we want, but eventually things will get automated.
Why can't we have automated farm land, automatic harvesting, automatic sorting, delivered automatically via robotic trucks to your door? It's not that far fetched.