Based on his ignorance and misinformation I would suspect he knows fuck all about metal. Take the Slayer comment for example

Fallen was quite good. Excellent atmosphere.

Nazis are the sort of issue that gets resolved after America stepped up in World War II. Done. I don't think the Germans have the will to try that one again.

Indeed. This fucking hipster needs to stay in his own sphere. Metal isn't for him to judge or comment on. I'm not about to comment on soccer or basketball because I don't know anything about these sports. This weasel should do the same.