A rhetorical shape on repeat
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Rule · bucket: judgment · severity: note · detector: none · since: v0.23.0
Section: UI writing
Group: Prose

Forbidden:
  "It's not X, it's Y" in every section; three adjectives, three verbs, three clauses, sentence after sentence; every paragraph built claim, example, takeaway.

Instead:
  Any one of these is fine. The finding is density: the same shape often enough that a reader starts to hear it.