I agree with everything you said, but I do think it marks a milestone toward equality, and a milestone worth recognising.
Ask the previous generation of women what it would have meant to them to have had a female leader of their country when they were growing up? I bet they'll tell you it would have made a difference to know that it was possible for them too - and not just in theory - it will have a psychological impact on young women (and men); which in turn will help make our future work-places less "hyper-masculine" and better environments for all.
No, it's not a magic pill, but every little bit helps.
Forget the human density. What we really want to know is how much pressure we are putting on the Earth.
And for that we need to know the surface area of the soles of our shoes (and the local gravity).
It is much harder to find a job than to keep one.