Over the last few years, I've seen a few in use here in Berlin: https://www.alibaba.com/showroom/robot-waiter-for-sale.html
> or someone who restocks shelves at grocery stores
For physical retail, or home delivery?
People are working on this for traditional stores, but I can't tell which news stories are real and which are hype — after around a decade of Musk promising FSD within a year or so, I know not to simply trust press releases even when they have a video of the thing apparently working.
For home delivery, this is mostly kinda solved: https://www.youtube.com/watch?v=ssZ_8cqfBlE
> Plus, in the case of service work like being a waiter, I imagine some customers will always be willing to pay for a human face.
Sure… if they have the money.
But can we make an economy where all the stuff is free, and we're "working" n-hours a day smiling at bad jokes and manners of people we don't like, so we can earn money to spend to convince someone else who doesn't like us to spend m-hours a day smiling at our bad jokes and manners?