Nicholas J. Michalak said:

Is he afraid of alienating fans? Why? You're already making up excuses to not give them what they've been demanding for years. I'd have a little more respect for him if he just spoke the truth.

We already know the truth. Lucas thinks one day everyone who saw the OOT will be dead and all that will be left are people who grew up with flashy CGI. He's pandering to children from the future.

You better believe if all films are eventually 3D, Lucas will be the first to destroy all 2D prints and offer Star Wars exclusively in 3D.