User blog comment:Spritydove/Deeper Thought into the Civil War/@comment-5135631-20120707164216/@comment-1840877-20120710195027

If you ask Arngeir about why you're allowed to use the Voice for violence, he'll tell you that "the Dragonborn is an exception to all the rules". Last time I checked, Ulfric wasn't the Dragonborn. So yeah, I'd say he abused the Way of the Voice.