I couldn't really say if 3D will come to dominate one day. I would wager that if the perseverance exists to get it right... Right as in easily enjoyed by the majority of the audience without any discomfort or even effort, then yes I believe it could, but that was not the point. I wasn't using resolution as a metaphor, but pointing out just one area where people prognosticated about the acceptance of new tech in cinema using words like never only to look foolish when said tech matured.
As others have said in these Hobbit debates, young people do not share the biases that come with the experiences of older folks. We older folks will one day be gone and many of our biases will go with us. Forever never dies. When you say forever in a definitive way as you did you will most assuredly be wrong.