Mary Sue suffers hardships because she's just so much better than everyone else, shows up to show up everyone, whines and is objectively wrong but reality re-writes itself to make her right, was secretly helping a dumb villain choice's plans for most of the plot, and blames right-wing ideology when the actual villainy of the earlier source material originates in left-wing ideological tropes.
They're the same story.
Mary Sue suffers hardships because she's just so much better than everyone else, shows up to show up everyone, whines and is objectively wrong but reality re-writes itself to make her right, was secretly helping a dumb villain choice's plans for most of the plot, and blames right-wing ideology when the actual villainy of the earlier source material originates in left-wing ideological tropes.