Even before it was published, “Love Wins” caused a sensation. The word went out that a prominent megachurch leader had rejected Hell, thereby embracing heresy. The outcry helped make the book a best-seller, even though a number of Christian bookstores refused to stock it. The central message of “Love Wins” is that the church needs to stop scaring people away, and, in publishing the book, Bell hoped to spark a movement toward a more congenial, less punitive form of Christianity. He knew that some Christian leaders would object, but he didn’t foresee how much. His detractors stated their case on blogs, from pulpits, and, eventually, in books. “Love Wins” appeared in March, 2011, and by summer there were half a dozen rebuttals in print, including “God Wins,” by an editor at “Christianity Today,” and “Erasing Hell,” by Francis Chan, a fellow-pastor. John Piper, a prominent theologian and minister who expounds the value of “objective Biblical truth,” posted a terse message on Twitter: “Farewell Rob Bell.