User blog comment:ImperiexSeed/Sam's NOT the hero of the show!/@comment-3481504-20160104193949/@comment-3423279-20160104235140

While it would seem to solve the problem the only way it would work is if neither of them were born as Michael and Lucifer wouldn't have their true vessels who would fight them, so this portion of his argument as to why Dean is the hero is basically saying that the show shouldn't happen.