This seems to be the main thing. There's a basic user need that's effectively impossible to deliver short of a SEGA AS-1 type machine... which is too big/spendy for home entertainment.
You won't be piloting the Millennium Falcon, you will be sitting in the back room, playing Holo-Chess against Chewbacca.
That may be interesting enough to some people, but it's not going to "change the world".
However, it's clear that right now everybody is trying to "play it safe" regarding movement in VR and this is quite limiting to the possible experiences. Marketing towards the segment of that population that doesn't get simulator sickness is unthinkable.