Its not an $80 VR headset. The thing that goes around your head is $80, but the expensive part is that phone which you put in the front, which needs a 1440p display (minimum) to avoid the screen-door effect.
Mobile has to lead the way, which Samsung and Oculus did very successfuly with GearVR.
Cardboard was seen as a gimmick and now it has graduated to become a daydream.
This is a positive step for VR.
2016 year of VR.