While this debate is going on, I couldn't help but remember an interesting study that I had found a few weeks ago.
Here is the link:
http://blog.interviewing.io/we-built...what-happened/
I felt that it was relevant to the debate at hand and urge everyone to consider the results that were found.
TLDR for those who didn't read, the real problem seems to be that women are more likely to give up at a given field after an attrition event, than men.