Atheists Know Christianity Better than Christians?

"Atheists know the Bible & Christianity. Most of us used to be Christians. Some of us were training to be in the ministry." These statements are made with great regularity in the comments sections of worldview videos. In this video, Braxton puts the claims to the test by taking a look at popular atheists who were ministers, training to be ministers, atheists in pop-culture, and on Youtube. How well do they actually know the Bible and Christian theology?