I don't disagree with your reasoning but my point is that an in-universe explanation was already given for DD's reluctance. The issue is not whether it's a good one or not, it's JKR contradicting her own story via her "out" universe explanations.
Which takes us back to the question of if she ever reads her own books.
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Date: 2008-03-14 10:01 pm (UTC)Which takes us back to the question of if she ever reads her own books.