Earlier quoted context omitted.
Maybe this is coming from a generational gap, but your experience does not mirror mine at all. I went to an engineering school where women in CS were either assumed to be a management major or people assumed that they were taking the easiest courses available. I've had my wife answer questions for people thoroughly and correctly, and had them come to ask me the same question 20 minutes later and trust that my answer…
It seems fairly established that profession with highly unequal ratio of men and women tend to have a minority gender with a much higher exit rate than the majority, caused by the majority harassing the minority until they assimilate, quit or switch profession. The next step should be to ask why women working in a female dominated profession are harassing the men in the same profession, or why men working in male dom…
The one place that I agree with you on this however, is childcare. I've dealt with a large amount of bullshit while staying at home with my newborn, and male caregivers are typically assumed to be incompetent.