What your wife needs is not someone white knighting for her (you or this article). She needs to take lessons in assertiveness to build her confidence so she can get her views across and not be ignored from basics like a weak voice or poor posture. It's not rocket science and it's not a huge male conspiracy against women.
What is true is women are less likely to be assertive, in life and in the workplace. And that can be fixed. It just won't be easy.
