One does not need to call for that in order to find the current representation of women in engineering/CS lower than desirable.
Continuing on the theme of using the sources presented in this thread: do you find it more likely that Google's worldwide tech workforce is 83% male because A) there is "no causal influence, insidious or otherwise" and there is perfect freedom of choice or because B) there are systemic factors at play?
That is the only question.