I don't think seeing someones _eyes_ matters that much. Reactions are much more than that. One of the most popular streamers (Lirik) does not use a camera at all, so all you get is his voice and the gameplay.
VR itself is a bit different though, as not everyone will have Rift/etc, so either you are streaming to a very limited audience, or there has to be a way of capturing the footage before it's transformed, and even then, it's just one eye, so the viewers are missing stuff.
VR itself is a bit different though, as not everyone will have Rift/etc, so either you are streaming to a very limited audience, or there has to be a way of capturing the footage before it's transformed, and even then, it's just one eye, so the viewers are missing stuff.