While he believes that has happened in the case of movie theater 3D, it seems that he has ever grander hopes for 3D, and that’s where the native photography comes in.
Cameron wants to see 3D become standard in regular TV production, and due to the amount of live broadcasting that happens there, the only way for that to happen with any degree of quality is for filming to be done using 3D cameras, which is not being adequately embraced.
James Cameron recently spoke at Australia’s Vivid Syndey Festival (via vfxblog) where he said that part of his goal in pushing 3D with the original Avatar was to make the technology so common that it would no longer seem remarkable.