It's more Tha the tech improved. It's a way better feeling than any 3d projection and it's able to be interacted with.
The main issue is adoption. They aren't cheap enough that you'll simply gather a family around to play locally. At best you communicate online and experience it through peers from afar.
One of the biggest reasons 3D tv failed is the lack of socializing while using it. You were required to have glasses for each person watching which limited the ability to use in group settings.
It didn't let you socialize because you needed to keep an exact angle. There's no restriction with VR since you can portray an avatar or person. So thars mitigated.
It's more a matter that VR is expensive and still not small enough to he accessible.
The main issue is adoption. They aren't cheap enough that you'll simply gather a family around to play locally. At best you communicate online and experience it through peers from afar.