Earlier quoted context omitted.
Has there ever been a time in the last 100 years when this kind of model has been useful. I understand the attraction, but I can't imagine how we could end up in the kind of situation where what you describe would be useful, without say total nucular war, at which point what you describe isn't enough.
I mean, it might be useful in Ukraine right now.
It might help if things don’t go too pear shaped, but this kind of event (a foreign invasion by a military with no regards for civilians) is basically game over regardless of your situation. The best outcome is you survive and rebuild.