The Popularity of Heresy Explained in One Simple Sentence

Heretics like Rob Bell and the Emergents and the Seeker Sensitives have audiences and followers for one amazingly simple reason:

The majority of people who call themselves Christians aren’t.  Ergo, it’s quite simple for false teachers and false teaching to take hold in their unanchored Christless lives and ignorant minds.

Unfamiliar with Scripture, for them, any lie will do.