"Revisionist"

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Or maybe it's the other way around, and the word "revitionist" has been stripped of all it's weight for a purpose... so that actual revitionists (because even when over used it's still a valid term that has yet to be replaced by a more suitable less trendy one) can devalue the lessons that are to be learned in the wake of certain events. Unless that's what you were saying, in which case I'm just being a revisionist.