Distorted view of reality. Nice, that's a very realistic trait.
She clearly has lots of talents (video editing, quick to learn, organized and efficient), but her view of herself prevents her from seeing the truth, friends/family that admire her are (in her mind) just delusional. The only truths are truths that affirm her view of reality (negative about herself) truths that challenge it (positive about herself) are just lies told in kindness.