Really? I certainly see these as a problem, mainly with coaching. Our coaching must be able to adapt to the players and their strengths. Coaches that have just one system, their system, tend to fail once they're unable to hammer square pegs into round holes. Our coaches must be able to identify our player's strengths and take advantage of them.
So, Flynn knows the GB system. Couldn't the Bills coaches come up with a make-shift GB-like offense? It seems amateurish they couldn't and we're no better than the Raiders.