To have no religion messing with one's thoughts allows one to think more clearly on the subject at hand. Some ideas cannot be entertained which causes that person to hit a brick wall of ignorance.

We know that evolution is a fact of reality. We know that biological replicators want to replicate. We know that Earth revolves around the sun. We know that we are a place in a galaxy and that it's just one of many. We know we are animals. We know that we know.

Subjective experience, phenomenal consciousness, qualia, the "what it's like"; all of these things are widely debated and are ontologically the last frontier. But one thing is certain, we all experience something. Lets maximize and take advantage of billions of years of evolution