The pipeline is unbalanced, yes, but the meat of the article is in how it surveys the reasons women leave.
That's not to say we shouldn't work to eliminate this treatment or an attempt to minimize it in any way, of course.
What I believe we should ask ourselves is this: "Is the tech community responsible for the fact that far fewer females see this industry as a reasonable and viable career path?"
Until we can answer that question with a confident "nope", then the social conversation around feminism and its role in our community need not be settled. We can work toward a more equal future without addressing the underlying philosophical and political motivations for doing so.
Free individuals, voluntarily working together to achieve a common goal. That's what it's all about, people. Forget the lables, find something in common with your neighbors, and make it happen.