Lots of women are "geeks" -- doesn't mean they want to work in IT. Women are still the primary care givers..if you are dealing with kids and aging parents, IT doesn't provide the stability, and regular hours a woman needs to deal with her life. When guys take on more child care and elderly parent care, home care -- and there is a shift in the general population - more women will probably go into IT.
Personally, I've seen a real shift in society, and as the responsibilities of both genders are shared - more women will start stepping into more traditional male jobs. No quota system is going to force more women to go take STEM courses, or except a job working nights/weekends. At least in nursing you get paid for your overtime, instead of - yeah you are on salary and will just work as long as needed. After all if you are working weird hours, you are paying high babysitting rates, and it is not worth it if you are on salary.
As a single mom, when on call, I'd either bring the baby to the server room - or send the babysitting bill to my management (3am calls, need to go in, and I have a baby.... can't see why the job is an issue to women) Not all management is that flexible.
Also the more women your shop has, usually the more women are willing to work for your shop...catch 22, no women, it is hard to hire any. They look around and notice the abesence of other women.
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