Three of the biggest problems with the tech, imo, were:
1. Active shutter lenses. While I, by far, preferred these over passive, the relatively short battery life, cost, and lack of early standard killed their practicality.
2. The price. Despite the tech being touted as fairly cheap, manufacturers decided that we needed to pay several hundred dollars more for the availability.
3. Walmart. One of the largest retailers for televisions in the industry, and I stopped seeing 3d TVs after the first year of the technology, with 3d blurays being a scarce find thereafter.
Well, hopefully VR will end up being cheap enough to provide the experience.