alt Hacker Newsthis is already happening in several nations' military for high value equipment. the tech knows how to use most tools, but does not have full expertise on the specific equipment. Smart glasses not only guide the technician but allows remote expert assistance through the glasses.
re: the first half of your comment, that's just good ol' fashion UI/UX though? "point at target, hold down button, wait for green, push button all the way"