That’s literally the thing though, and perhaps where the USSR went wrong. There is no magic bullet that would make a small nation able to survive a large attack, asside from strong allies with a ton of bigger nations, and sadly being different, and a possible threat to the status quo, doesn’t help with that.

That’s like saying being a serial killer helps survival over being a law abiding citizen that cares about others. Proof when I put a law abiding citizen and a serial killer in a locked room… the law abiding citizen doesn’t live as long. Of course the reality is, being a serial killer is evolved as the exception rather than the rule in humans, because, with numbers not making enemies is a more succesful strategy than always making them.