I am little bit late on reading these insights but they reflect very much my views:
People don’t like wearing things on their faces and don’t trust those who do
He goes on to explain how these glasses are going to fail, no matter what. Interesting reading.

Today I‘d have exactly one use case for AR glasses:
In a supermarket, show me where the products are that I need to shop.
I would like that a lot 🙂
More than that I´d love to have a helpful salesperson who tells me where to find the stuff I need. And depending on the complexity of the product and/or the knowledge oft this person, hints and advise which product suits best for my needs.