Women legislators recognize the difference between legislating for women and families and legislating at them. When more women hold office it changes the conversation. It changes from a conversation about women to a conversation with women -- and that difference is huge.
Governors have the responsibility to protect the safety of their citizens. If the plant accidentally releases radiation, the governor takes immediate action, ordering an evacuation, issuing iodine pills. But the governor had no power to prevent an accident in the first place.