I think a stir is one step up from a pouty face.
From the first article
While he said he would "fight tooth and nail" for Keesee’s right to publish his cartoon, he describes it as crude.
We often hear somebody saying that while they might dislike the content of something that they would fight to the death for their right to say it. At least there we have something in common with the jihadist who would also fight to the death for the right to kill you for saying it.