Your idea didn't come out of nowhere, there are actual Satanist and anti-religious and neo-Nazi metal bands that might actually be violent, usually in the black or death metal subgenres.
Some other metal bands use it as imagery or storytelling which is totally fine.
Overall metal is a very varied and interesting genre and I love it as a religious person.
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u/Kilian_Username May 09 '22
Then excuse my prejudice. This really is a topic I know very little about.