Why do they have the Aztec calendar in the movie, when the whole theory is based on the Mayans calendar? It doesn't make sense.
Also, during humans time on earth, we have been facing pole shifts before. This wacko-wizzle propaganda about "the end of the world" is most likely a way of getting money. That's everything that matters nowadays, and it is also always interesting to people to read about fascinating histories how the world will end etcetera.