If she feels like people are treating her as if she's not good at her job because she's a woman when the reality is that she's just not good at her job, then ye

If she feels like people are treating her as if she's not good at her job because she's a woman when the reality is that she's just not good at her job, then yes, that is relevant. Not every time a woman gets passed over for a promotion is sexism, and all we've heard is one, obviously biased, detail-free version of the "story."