Lyric discussion by Nurarihyon 

Not a political meaning, I don't think, but a moral one. I see this as an appeal to moral objectivism, that is the belief that the ideas about things like what's wrong and what's right aren't merely abstractions created by humanity, but are real things of real consequence. A vindication of the older, "black and white" way of seeing the world -- "I'm frightened by those who don't see it." That is, those who don't see right and wrong as real things.

Other parts of this song seem to support this reading. A darkness flooded in light could mean the darkness of humanity that is illuminated by an exterior presence; also the response to a "head full of doubt" is just to keep screaming until those "bad thoughts are finally out."

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