It's not so bad that fandom is dying down. The decline of fandom doesn't lessen the impact or the goodness of the OT. I've grown tired of knowing everything there is to know about the nuances of Star Wars that is not contained in the movies. I don't need to know the manufacturer of the engines for the X-Wing for me to enjoy the movie and have never really enjoyed any Star Wars novel that was not a movie adaptation.
I guess that makes me a fundamentalist fan.