Another recent political move by the NFL was pulling that gun-rights commercial from the SB. So that's three political moves now. They're getting too political and PC. They'd be better off being neutral.
There was another one that O'Reilly chewed them out on but they relented. Forget what it was.
Bill Belichick learned to film signals of opponents from the former Chiefs, and Charger's coach Schottenheimer. Others like Edwards, Johnson and Cowher did too. They learned from the CHEATS and CHEATERS who still couldn't win.