I could easily do the same and claim that men are undervalued. They are sacrificed in wars, make up the main portion of the homeless and they do the hardest and dirtiest work to provide the modern infrastructure of the world.
They have no support structure, can't fail and are constantly pissed on in culture and media.
Neither of us is telling the whole story.
My point was to focus on the center of the venn diagram, where men and women do the same or similar jobs, especially jobs in which the balance has shifted over time, so that we can see that even in the midst of a general undervaluing of humans, separate from the extreme undervaluing that happens at the edges, women are undervalued even more than usual.
For some reason, many people find it hard to understand this.