(1) The NFL gets paid by the government to do patriotic things at the games. Things like reuniting soldiers with their family or making the flag in the stands with spectators all holding a part of the picture.
(2) The referees have other jobs as well. Being a NFL referee isn't their primary job.
I did know any of these things that he said "everyone knew." So, I need to know who is right. Please let us know in the comments if you knew these things. I think there are others who didn't know these things either, did you?