He probably has a negative view of Christianity because he’s what Jesus called in the gospel of John a “son of the devil.” Christ was far more negative than any of his servants. He promised not to bring peace—but a sword. Like it or leave it alone. You can’t get around the injunctions given in Matthew 18 or 1 Corinthian 5 or James. The Bible clearly states that we are to forgive, but that we are also—where appropriate—to disfellowship.
May or may not be, may be that folks like you are part of the devil’s oppressive scheme for keeping him captive.