There's a whole sequence at the beginning where Aziraphil and Crowley are talking to each other. They're sort of subtly second guessing the orders that they're getting from the people who are giving them orders. The baby the baby switch did not go off without a hitch. And babies who didn't who weren't supposed to get switched actually got switched. So this kid Adam who's actually the Antichrist ends up growing up without any satanic or heavenly influence at all. He just ends upgrowing up as a normal kid.