Maybe... I'm not so sure the talent at Navy wasn't up to par with all the teams they beat. Saying what a team does with a certain system and ignoring what they might would do with a more common system seems unproveable and 100% opinion. What is factual is that a team hasn't won a National Championship nor a Super Bowl with that system almost literally since Nam..
I get the love. It's throwback, nostalgic football. I've debated this with my brother (a HS football coach and flexbone purist) more times than I can count. It's just not relevant anymore in big boy football, and it hurts the development of talented athletes IMO