I think I agree with what you are saying. WWII established a lot of “rules” and established a post-WWII world order which did provide stability and 80+ years of peace (no really big wars, anyway).
That’s not all bad.
But my personal opinion is that time moves on, the world changes, and the rules and the world order may not be worth keeping forever. I think there is something to be said for truly winning some wars, and if that idea comes back, the casualties would be in the millions. We currently have the idea that such a war is “unthinkable”. I think the time approaches when we will have to think about it.
the current status quo will persist until the US losses a MAJOR real war itself. Because in order for that to happen, the “rules” will have to be discarded for that country to actually achieve victory over us. And once that happens, everyone will realize there are no rules for war and never were any.