It's kind of hard to spin footage of you flipping out and killing a bunch of cops on live TV.
Or your not-exactly secret prison sentence.
It's not that people are buying it, it's that EVERYBODY - who isn't a superhero or Ben Urich - is buying it, including people who absolutely shouldn't (Like the US Government). Jesus Christ himself would get more resistance if he returned and pulled the "Two fishes and a loaf of bread" trick on CNN.