A Facebook Fan Page is a business page that behaves similarly to a Facebook Profile. In this case, it is a verified Facebook Fan Page that represents and hosts content by Stephen K. Bannon.

It is equivalent to an official YouTube channel or Twitter account. It is not a "fan page" in the sense that you mean.

Edit: It looks like you may have edited your comment. I think it's important to emphasize that this isn't some random Facebook "fan page", but the official page of Steve Bannon, and it's a verified business page.