However, in many cases, moral compromise wasn't the whole story. For example, one friend has had distinctly postmodern misgivings. When his father learned of his decision to leave the faith, he rushed his son a copy of Mere Christianity, hoping the book would bring him back. But C. S. Lewis's logical style left him cold. "All that rationality comes from the Western philosophical tradition," he told me. "I don't think that's the only way to find truth."
The Leavers: Young Doubters Exit the Church
He read the wrong book.