As a fan used to relentless negativity this is some respite - nowithstanding that the article seems to infer that many fans need it as a release from the stress of being different.
For unbelievers I'll admit theres plenty of unreconstructed noise - with the odd satanic sounding grunt thrown in for good measure - but there also some darn good music.
A few years back some scientists tried to ascertain whether plants grew better if you talked or played music to them. It appears that plants prefer heavy metal too!