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For real, like it's not avant-garde or random there is structure to it. Although I thought screamo kind of died after the 2000's
Screamo is played in either a major or minor key, so there's tonality.
Screamo is played with chords, so it does have harmony.
Screamo instruments resonate, therefore it has resonance.
If you don't like it, that's fine, but don't pretend like you know the first thing about music by throwing all these words you don't understand out to support your point, because someone who does know music might see it and call you out.