In its current form, I don't really understand the appeal, to me it is literally holding the screen right up to ur face, I don't understand how it's going to change the way games are played or create new genres.
The only benefit I can see is adding immersion by not being distracted by ur surroundings, but other than that it seems like a novelty to me.
When the herd loses its way, the shepard must kill the bull that leads them astray.