The vast majority of bands are not satanists. I can't specifically speak for Slayer, but most bands discuss that type of subject matter not because they believe in it, but simply for shock value and/or they just find the subject matter interesting.
The vast majority of bands are not satanists. I can't specifically speak for Slayer, but most bands discuss that type of subject matter not because they believe in it, but simply for shock value and/or they just find the subject matter interesting.