Here's a writer and former church member who has exercised his critical thinking skills https://medium.com/illumination/why-people-change-from-religious-to-spiritual-4a49792cb9e When I brought up the book Constantine's Sword he said "I consider it one of the seminal works in my stumbling spiritual path"

I doubt there's much if anything in his essay that would be new to you but you might consider him for future tagging in your bible studies