hm. as a self-taught sysadmin, this hasn't been my experience.
I mean, a degree from Stanford is something that is worth a whole hell of a lot more than your average degree... so yeah, maybe someone from Stanford would have a significant advantage over someone self-taught... but someone from an average university? maybe some advantage, but yeah, I don't think it's as big of a deal as being a woman, or being foreign or what have you.
Of course, if you are self taught and have no experience? sure, you have it really rough. Much more so than a person who has a degree and no experience. You need the experience. but after ten years? (remember, you should have /at least/ 4 years more experience than the kid with the degree, if you are self-taught.) From what I've seen? I can be pretty competitive.
But women? Nobody has ever rejected /me/ from a job with:
"I'm sorry, but we don't have any diversity positions at this time."
The mind reels. I have had a job, before, when I was much younger, where I thought I was hired for altruistic reasons. It was soul-crushing. Imagine that rattling around the back of your head for the rest of your career.