Scientists do not join hands every Sunday and sing "Yes gravity is real! I know gravity is real! I will have faith! I believe in my heart that what goes up, up, up must come down, down, down. Amen!" If they did, we would think they were pretty insecure about the concept.
Faith is not the result of fuzy thinking. It is the cause of it.
It's not easy to change world views. Faith has its own momentum and belief is comfortable. To restructure reality is traumatic and scary. That is why many intelligent people continue to believe: unbelief is an unknown.