Old-fashioned 2-D provides an illusion of reality that has convinced moviegoers for 100 years. We accept it and do not think about it. The 3-D process is a mistake because it distracts attention away from the content and toward the process. "The Ghosts of the Abyss" is being shown around the country in 3-D on IMAX screens and also in some regular theaters. Do not feel deprived if your theater does not have 3-D. You won't be missing a thing.
He is correct about people, but wrong that 3-D is a new way to be stimulated. It is an old way that has never lived up to its promise. If Cameron wants to be a pioneer instead of a retro hobbyist, he should obviously use Maxivision 48, which provides a picture of such startling clarity that it appears to be 3-D in the sense that the screen seems to open a transparent window on reality. "Ghosts of the Abyss" would have been incomparably more powerful in the process.
Ghosts of the Abyss is a fascinating trip down to the wreckage of Titanic and shows off the ship is a way that you have never seen it. Anyone who is interested in the shipwreck or is still obsessed with the movie would definitely want to check it out.