I am so glad you asked that question.
You see, I was intuitively dissatisfied with the claim that the comedians are more persuasive than the academics because of the emotion beind their message.
People do not listen to Chomsky because they want to be convinced [heck, I don't listen to him period]. They listen because here is a Brain or a Celeb or a Pol agreeing with what they have already decided.
Nor do they listen to the activist - philosopher - comedian because they want his powerful emotive suasion to convince them. They listen because the specialist can do a better job of dissing a person or idea they have already decided to despise / hate / fear.
A Christian comedian is not going to go yuck-yuck about the incarnation or the resurrection - unless it is the view of them OTHER Christians with the bad doctrine. A cool [translation into English = non-theist] comedian is not going to point up the logical inconsistencies, however absurd, of the abortion movement or laws.
The class clown is going to poke fun at the weird guy who sits in the back row and won't make eye contact. Nobody but the crowd of losers is going to poke fun at the popular crowd.
So I think we can drop the persuasive descriptor. The comedian is persuasive only in that he points out which side is the weirdo losers and which is the side of the cool kids, giving those to dumb to figure out what is cool a chance to jump on the bandwagon.