The problem for Facebook is that since there is such a distaste for them in the dev community that they are going to have a hard time attracting developers if a

The problem for Facebook is that since there is such a distaste for them in the dev community that they are going to have a hard time attracting developers if a worthy competitor comes along. Devs are going to want to target a more open platform, unless there is a massive advantage to going the Facebook route. On the web, building a Facebook app is enticing because you get access to a massive audience. For VR, your audience are people who have the hardware, so until there is a large number of people who own VR goggles the power really is in the hands of the developers and what platforms they build their killer apps on.