The way these things work, it's not owned by one person, especially with a massive feature like this.
You probably had at least 4 - likely much more considering this is SI - people doing interviews for this article. Then you have fact checkers dedicated to doing research to verify the details. All of the reporters on the story will have an Editor that's maintaining an overall eye on the story.
On top of all that, you'll have a counsel looking through the resources to determine if the paper is at any legal risk for it. Luckily (I say this for the sake of free speech), the Supreme Court has reaffirmed multiple times that any accuser must demonstrate malicious intent when it comes to libel/defamation. The opposite case would be what happens in the UK or South Korea, where the fear of a defamation suit effectively squelches the media.