Like do you remember her avengers run? The single most impactful thing she ever did whilst with them was when she left because they were going to attack the mutants. AvX was generally an L momment for stormthrough and through. Not to talk of bendis and his clones writing.
You know you are getting it bad when even the xoffice realizes that they are literally not doing a good job with you. Hence why these storm is too op storm has never lost before, storm is a mary sue arguments make me laugh. Because the sheer amount if L's she has collected is more than any charachters entire appearances.