But so are we in so many decisions we make and when Judgment comes, our views on secondary doctrinal issues will probably be shown to be lacking as well. This is not a condemnation of John Piper, but a strong disagreement with him on allowing, IMO, a very destructive man to have a platform at his Desiring God conference: Rick Warren, the author the best selling book. The Purpose Driven Life.
As usual, a number of godly men have responded in a gracious yet truthful manner and I commend their articles to you. They sum up most of my reasons nicely. Remember though, there are no perfect Christians in Christendom, just a perfect Savior. Always be discerning.
Begin with Phil Johnson
Chris Anderson here and here
Michael Horton and the White Horse Inn have documented a few of the issues with Rick Warren.
John MacArthur succinctly sums up the problem with The Purpose Driven Life: