Eyeglasses are relevant because you're talking about "wearable" devices that are worn in a place where most of us are already wearing something. The fact that this isn't obvious helps explain all your other blind spots on this issue.
If you can't figure out why wearing hot things on your face is a problem, you are not even thinking at all about product design.
I meant that humans interact WITH EACH OTHER via sight. Again, the fact that this does not even seem to occur to you as an issue says a lot.
The Mac Mini has of course been updated recently; you seem to be talking about the past. The Mac Studio, you failed to even mention, as if it does not exist, for some weird reason.