I believe there are still a lot of evangelical Christians (particular in Asia) believe Wallis is a genuine Christian and his points are biblical. I know from places like Rapture Ready Discussion Board that they believe that Wallis is no Spong and attempt to distinguish between the two.
Then we need to expose him. There are a lot of people around the world that are looking at our pathetic decadent Globalist Christian leaders and think that's what Christianity is supposed to be. It's tragic.
A lot of people thought Bill Clinton was a Christian because he carried a Bible around.