“Perceiving the world as well designed and thus the product of a designer, and even seeing divine providence in the daily affairs of life, may be the product of a brain adapted to finding patterns in nature.” ― Michael Shermer, Why Darwin Matters: The Case Against Intelligent Design
What Shermer is saying in the quotation above is that the need to believe in creationism is possibly a trait that evolved.
What does theadvancedapes, our resident evolutionary anthropologist have to say about that?