They’re not trying to solve the next ‘where you can compute’ problem. Smartphones can already be used anywhere. They’re solving the ‘when’ problem and there are lots of times that a phone can’t be used.

Lots of people see the ‘when can I compute’ optimal solution to be anytime. Think of all the places people bring cameras. That’s where they’d love to have a computer. An HMD can do that if it gets small enough