The Christian Bible tells us that God created Man. I believe that Man "created God" to fill in the gaps in his knowledge. If we can't explain, say Thunder for example, we dismiss it as "The Will of God". Or G$D. As we ourselves fill in those gaps in our knowledge, the concept of "God" or Kulkulkan or Ra or Thor or other dieties become less and less relevant. If only we can make it for another 300 years, I really think that we'll be alright.