> But culpability? For resident nationals? Unless you were a dissident or in the opposition, yes, you absolutely bear culpability. I wouldn't even go so far as to say in a moral sense. Not automatically. But at least to one's ability to interact with other countries' economies.
Maybe you are right. But holding ordinary citizens accountable doesn't always work the way we want. That's exactly what the West did with Germans after World War 1.