I'll add input device and hand/finger passthrough to that. I think the Rift S can do this, assuming you're good with "virtual screens overlayed on camera passthrough" as an implementation.

But if you want to bring it into a fully virtual world instead of on top of the cameras, then you can't see your keyboard, mouse, or fingers. I can blindly touch type well enough to get by, but for it to see any adoption you'll need to get the input devices visible in VR.