Yeah, I just don't buy it. I don't buy that the typical football fan recognizes adjustments mid-game. I don't buy that they recognize very many different types

Yeah, I just don't buy it. I don't buy that the typical football fan recognizes adjustments mid-game. I don't buy that they recognize very many different types of defense (probably the blitz and that's it). This minutiae of a game is things that enthusiasts notice but not the typical fan. I think some of the other explanations given, particular in regards to the social aspect, are more likely it.