If you think shopping is tedious, try juggling 200,000 products in a Walmart. Not literally, of course, but somehow keeping the shelves stocked over an area of tens of thousands of square feet. For that you need a worker with a barcode scanner and an enviable amount of patience.
https://www.wired.com/story/please-do-not-assault-the-towering-robot-that-roams-walmart/