has he lost his mind No. He knows exactly what he's doing. Making all the more outrageous and false statements, knowing that he'll get the right wing all riled up over his latest lie which in turn creates free publicity for him and his movie which in turn increases ticket and book sales which in turn puts more money in his pocket.
Congratulations. You've all done what Moore exactly wanted you to do when he made this statement, claiming that his movie outgrossed The Passion. Get angry, create free publicity for his movie, putting more money into his pocket. You thought that after last weekend, that would be the end of it. It would all be downhill from there. But all he had to do was get all of you all riled up, so that this upcoming weekend will be just as good for his wallet.
How does it feel to be the dog to his Pavlov?