I think it's only an ethical decision in retrospect. Under intense stress people will fight, flight, or freeze. It's not a choice at that point. The lady was a fighter who did what she had to do to survive. Another mother might have froze with the baby crying, leaving it to someone else to silence the baby or for the enemy to find them. Another mother might have fled with or without the baby. It's all about what you are hard-wired to do in that kind of situation.
Ted
Ted