The first essay is a bit high-level, but the second lays out some pretty specific, straightforward ways that women get the short end of the stick in the CS field:
> It is more common for men to get credit for collaborative work than women, something I experienced when a student wrote in a publication draft that an idea of mine originated with a collaborator — even though progeny of the idea had never been discussed.
If you don't care enough to read that far and then assume that this means there's no "real reason", I think that's the definition of willful ignorance.