In addition to being totally messed up politically, it's really harmful to your self-esteem if you think that you are being given special treatment to satisfy someone else's political correctness quota. Not to mention that eager men (with the best of intentions, no doubt) over-compensating can lead to "othering", that feeling that everyone is going overboard making you so welcomed that you kind of want to barf.
My current speculation is that for most girls, it's actually their parents that instill a nagging sense of doubt regarding what they are "supposed" to consider good career options. Therefore, I think the key is to reach young minds.
Girl coders: go speak at public schools or high schools today!