That’s not what Apple wants it to be or is advertising it as at all. They don’t expect people to be wearing it all the time when they’re out doing things.
It’s meant to be a supplement to laptops/desktops, then eventually a replacement (I don’t think headsets will ever fully replace traditional computers though).
It’s first and foremost a VR headset with really good AR and video passthrough. They’re not glasses. Apple just doesn’t want you to think that it’s VR because they’ve decided they always have to be “special.”