Earlier quoted context omitted.
Democracy is a scale, not a binary state. The actually relevant question is "could the average American have prevented Abu Ghraib?" And I believe the answer to be No, so 'Americans' cannot possibly be responsible under any reasonable definition of responsibility.
Well you can also have average Americans who think they have no business taking responsibility after it happens, since it wasn't something that concerned them, and nothing ends up done in response to it happening. Or you can note that some people did horrible things under the banner of your country and accept it as such, vowing to never let it happen again and holding those directly involved in the decision to accoun…
We don't do that here.