"It's true that her 'give-me-a-pinch' and 'get-bouts-of-blows' stance many a time either scales up or scales down her image in the eyes of the public. " - This is what you wrote with some minor grammatical revisions. The words "but" and "yet" mean essentially the same thing, but I for one think I would go with "yet" if I were writing this.
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