Well they would have picked up on the theocratic thread and ginned up all manner of horror stories. All the (real and imagined) indiscretions of Christendom, Mormon and otherwise, would have been put on grandstand parade. Hillary would have been presented as the secular Savior from all this.
Donald dodges this kind of bullet because his public take on faith is low key. Hillary now has to compete on the level of the world with Donald, and she’s starkly incompetent there.