>>This seems like a very common way to dismiss complaints of sexism, whether those complaints are valid or invalid<<
If the person has an invalid complaint, it means she is lying and there is no sexism.
So yes, you do need both sides of the story.
What does this question add to the discussion?
> So yes, you do need both sides of the story.
In particular, one should not dismiss a complaint of sexism before hearing both sides of the story. This is what the GP seems to be saying as well.
>>This seems like a very common way to dismiss complaints of sexism, whether those complaints are valid or invalid<<
If the person has an invalid complaint, it means she is lying and there is no sexism.
So yes, you do need both sides of the story.