Do you judge Viagra based on how well it reduces blood pressure?
I agree that demo was dumb and dystopian. But it's silly to latch on to one imagined usage, ignore the others, and have no interest in what the reality will be.
It would be silly to latch onto it, if it were the vision of some random fan, but it is the vision of the company creating the product, so no, it's not silly to consider it critically.