It’s not just when the computer is better than you. It’s when people would prefer to be served by a computer rather than a you.
When I heard about the Amazon cashier-less stores, one of the reactions I didn’t expect was a number of people who indicated that they hoped these stores would become successful because they preferred to avoid a human commercial interaction not because it was necessarily faster, but because they felt slightly uncomfortable with the inequality inherent in a commercial relationship (not their words, but their gist).
I had not considered how egalitarian tendencies might make one prefer the computerization of commercial interactions…