Why can't more immersive entertainment be an exciting goal and vision? That alone is amazing. To have an entire movie theater in any room in your house or in an airplane.
Or gaming.
Or gaming.
I think you just described something like 95%+ of the US population. TV and movies and games are exceedingly popular.
I would think though that if that is the main target use you don't need to strap a computer on your head.
I don't particularly want to be immersed in Slender or Diablo or MTG.
Same on the plane or train. I can wonder a beach or sail the ocean.