As soon as it became evident WWE was grooming Roman Reigns to replace John Cena, a chunk of the wrestling world committed to denouncing the decision. After nearly four years of push and pull, Reigns is finally at WWE's peak, but it's been an arduous journey and John Cena knows it's at least partially his fault. During an appearance on Jimmy Traina's SI Media Podcast, Cena says, "I kind of ruined this for everybody. Attitude Era was male 18-35. But we’re a PG program.