1. Better Story lines
With a heel John Cena, new story lines could be made and new ideas could take shape. Imagining feuds with a heel John Cena would be amazing. First of all, imagine: John Cena becoming the leader of the Shield, then taking on Randy Orton for a three stages of hell match. Or, facing the Rock in a Extreme Rules match. Also, with a heel John Cena, WWE could take many chances, like feuding with the Undertaker at WrestleMania, and other faces. Many dream feuds could come true only with a small heel turn, and John Cena can make this happen. All he needs to do is turn heel, and we, the fans, and the WWE can be the only ne who can make this happen. I know the possibility that Cena will never turn heel, but just imagining a John Cena heel turn, bashing the kids and his supporters, and burning his shirts...hmm...it makes me think that the WWE truly has a long lasting and bright future, under Triple H. Now, only if John Cena turns heel...