People are products of their environment. What are the chances a child born to christian parents will be a christian vs a buddhist? Why as the access to knowl

People are products of their environment. What are the chances a child born to christian parents will be a christian vs a buddhist? Why as the access to knowledge has been increasing more and more people are becoming non-believers? Why have religious beliefs in the sun, lighting, fire, etc. vanished as we developed full understanding of the phenomena? What makes you think you will be able to justify sticking to your "gut feelings, therefore god" position as we develop a greater understanding of the brain?