[ryhamz]

Why is this aside in the article?

It's a separate point that isn't going to get her much sympathy in many circles, because that pay gap could be less real than you think.

18% less could be a result of negotiating skills or any other confounding factor. How has she quantified her qualifications vs all other male employees?

No need to add this unsubstantiated drivel to an otherwise potentially useful insight.