Ah, I think I may have found an article that sheds light on this.

newsobserver.com

It doesn’t, however, show Ehrlman telling Evangelicals what they believe. It shows him challenging them on their lack of resolution for the contradictions raised by the New Testament and their fundamentalist, ahistorical approach to the authorship of the bible.

In fact, it shows him, where he is talking about what they believe, being accurate, even by the Evangelicals own estimation; they’re just saying he’s wrong in his conclusions, not in his premises.