It could just as easily be an anti-Christian dig. Jesus said, "He who is not for me is against me, and he who does not gather with me, scatters."
But seriously, folks, who cares what George Lucas thinks?
Lots of people. Episodes IV-VI were brilliant. People have been waiting over 20 years for something of that caliber. The early reviews say that Episode III is the good. I will decide for myself.