I think it is, because as mentioned it invokes change in how the people of the world see one another, as well as the system itself: He ends the whole Britannia vs Every One Else thing by oppressing everyone else equally, so it's no loner a power struggle between the two. Plus there's the more systematic change in destroying the Britannians who benefited most from it's power hierachy, and thus leaving those left behind less inclined to rebuild in the same way.