Is the death of cashiers imminent?

I have been thinking about the customer experience at the checkout. How good can it be with a machine? The machine is not adaptable to me. It’s rather procedural and I have to follow the interaction that the machine wants. That makes the user experience pretty rigid.  The occasions when there is an issue, I get frustrated. The machine is ignorant of my feelings. Not a good thing for the store. When the purchase is only a few items and pricing and packaging are very clear, self-service check-out could be convenient. But I’m slower than a cashier and will be a bit uncertain that I did