Men have also died to protect their properties... And if you read about what actually happened at fires or sinking ships, you might find out that "women and children first" was something that in practice didn't happened. At this situations, men saved their own lives first.

https://historyofyesterday.com/no-women-and-children-first-rule-was-never-a-real-thing-c783c308fb47

That idea that since supposedly in case of danger they would save us (as opposed to us saving ourselves) is used to ask for women's submision in peacefull situations. But since women can speak about their experiences, many have noticed that when they actually needed support and help, they didn't get it. For example, many women were abandoned to raise children on their own. That was common under patriarchy.