Fumes = bad

From Wikipedia...

The release of the 1982 album, The Number Of The Beast, brought its fair share of controversy. The title track had many people, particularly in the US, accusing the band of being Satanic. The members of Iron Maiden tried to deflect this criticism by insisting that the lyrics were based on a dream by Steve Harris, but the accusations persisted. A group of Christian activists decided that the band's records (along with those of Ozzy Osbourne) should be destroyed - resulting in a mountain of vinyl records being burnt in a large fire. Pandemonium ensued when the activists were forced to flee the resultant fumes. It was then decided that smashing the records with hammers would be a better way to dispose of them.

Idiots.