I don't think that's a fair shot at metal fans.
In my experience, metal fans are the MOST diverse music listeners I've ever heard of! That is, at least if all of us here are being honest about the vast plethora of jazz, country, blues, rock, etc. etc. you guys talk about in the threads for "what else you listen to" and "non-metal leanings."
If for no other reason at all, then metal fans still listen to more music than an awful lot of people who listen to a wide variety of music. Why can I say this with 100% certainty? Because A LOT of people say "I listen to any kind of music... except for that screaming death metal stuff." People also say that about country and rap, so potentially country and rap fans are as diverse as us, but we still have quite a leg up over the people who think they listen to a lot of different music but can't stomach Dimmu.
I don't think there's anything wrong with us singling out the meaning of metal in our lives, and I sure as heck don't think you guys listen to anything less than an admirable and amazing variety of music. As a total newb, I have about 40 metal CDs and about 1,500 non-metal CDs.
I wasn't meaning to attack you, Alter, the diversity was just something I had noticed about this community and I have been waiting for an excuse to talk about it.