Earlier quoted context omitted.
Along these lines - is there an example of a technology company that succeeded after raising so much money without proving their product in the market?
Screw the market. Personally, I don't care if this even sells (to make the general population buy it, they'll have to invent most silly possible applications imaginable). The question is - does it really work as advertised? Both Magic Leap and HoloLens look way beyond the state-of-the-art, I'm still not convinced that what they show us isn't just plain marketing fabrication.
The second video (newer) though looked legit. Simpler interactions, and the disclaimer was pretty explicit.