Step into your engineering or computer science department and walk into any upper division class and count the females and count the males. That some companies

Step into your engineering or computer science department and walk into any upper division class and count the females and count the males. That some companies have upwards of 20% females is more likely indicative of extreme bias in hiring as you're not going to find even remotely close to 20% females there. Enter in most measures of competence and you'll find the division is no different. E.g. - if females were being disproportionately hired because of disproportionately positive performance then this might not be an issue, but there seems to be no evidence for that whatsoever. This view that the only thing holding people back is some sort of social or systemic bias seems to be based on nothing except ideology. Incidentally, it's an ideology I also used to hold. Like a good egalitarian I pushed my wife away from sociology and into majoring in CS. She did perfectly well, as did I. More than a decade later she works with people and I work with code. I've no regrets there, but it's not so clear that my persuasion was really the best idea. Norway is another interesting example here. It is considered by many to be the most gender equal location in the world. Yet you'll still find that nurses are primarily female, doctors are primarily male, and all other 'stereotypical' divisions present in most all developed nations. They tried to change these divisions and with extensive effort were able to effect a roughly constant change in some fields. But again, once that push was relinquished things went just about identically to as they were in very short order. Ultimately we're flexible enough that you can manage to fit a square peg into a round hole at times, but once you stop squeezing that peg goes back to what it wants to be.