Have you tried the quest 3? A lot of your concerns, I feel, go away with pass thru. Like you say, mixed or augmented reality is going to be society altering.

I was walking through my house, navigating doorways, stairs, and changes in lighting, with my son's headset while I had the equivalent of a 30in monitor playing Netflix following me around. I sat on the couch and pinned the "tv" to the wall, enlarged it to be a 80in tv.

What truly is missing is a shared environment between multiple headsets in the same location. Movie night where the whole wall is a shared experience, and it can be synced with grandma who is three states over; even better, we can look over and see grandma in AR and she sees us. Distributed family night! Some ergonomics to work out. That, and seeing faces.