This should not call merely his conclusions into question, but his method.
I dunno, God uses all kinds of things, sacred and profane to teach us. I'm just happy that this man I respect greatly has come to the same conclusion I've had since in scripture I first investigated the matter.
This canon is a solid evangelical. Many otherwise biblically sound people were bamboozled by the feminist sirens since the '60s. Thanks be to God the sirens are now wearing haggard and hoarse.