The latter has certainly disappeared. See e.g. the stampede away from the Mac.
For the former: it's debatable how much untapped consumer interest there is in AR.
Glasses would work if they were slim and stylish. But if the motivation is to "beam content into the eyes of the user" and not to empower users to do non-gimmicky cool new things they couldn't before - that's not going to happen.
It's the difference between a power tool approach and a menu approach. If you give people power tools and let them play with them, they'll do amazing things.
If you give people a menu of options - tweak a photo, tweak a photo a different way, take a 180 degree panorama, passively watch a VR movie - that's extremely unexciting.
Cook has always been more of the latter type than the former.