It's the tyranny of scale and increasing marginal utility. If a human can do the task in 3 seconds and the machine in 3 nanoseconds, the human is to COMPLETELY ABANDON THE TASK.
But, then, the human unlearns the task and will require the computer to perform it, going forward.
Which will totally suck if the machine becomes unavailable for the duration for whatever reason. A large minority of people were always unable to navigate from a map, but now...
You can already see people standing in front of a well-stocked pantry and kitchen, decrying that there is nothing to eat.
