Actually, we are not all fans. There was a thread about "are you a fan of Nascar racing" and about one-third of the people who posted identified themselves as not a fan or having only slight interest. Also, it seems to me that some people here actively root for Nascar to fail and decline further, perhaps to protect their "I told you so" rights. And some prolific posters here brag almost daily about how little they care about Nascar racing.
I do agree with your main point, that older fans (and newer ones too) have a wide range of opinions about what would make Nascar better. I absolutely agree with that. It is fascinating to see how different the tone is here versus some other message boards in discussing the exact same topic. Often radically different...