None of the use cases seemed to compellingly improve productivity or well being, they just close the gap between the digital and physical w/ no benefit. I'd have been more convinced if it was depicted helping a mechanic assemble an engine with AI annotations and advice, but instead almost all of the demos seemed dystopian.
The eye tracking technology involves shining infrared light at your eyes at all times - not an expert but I can't help but wonder if that is going to have long term effects. https://ehs.lbl.gov/resource/documents/radiation-protection/.... It is ironic that Apple Health is launching an eye-health initiative which reminds kids to keep their device far enough from their face to prevent eye damage, and then is releasing another device that is covering your entire field of vision at like 2 centimeters away from your eyeballs (Edit: this last part is a non issue because the focal point is not so close due to the lenses).