Those core elements of their ideology only concern the people inside their borders. Under globalization the excesses of fascism must necessarily be lanced away. Seizing territory is a 20th century phenomenon and explicitly reinforcing racial hierarchies hasn't been necessary in the United States.

The meritocratic self-justification of hierarchies and automatic self-neutralization of dissent under liberalism is materially far superior to any results that Hitler and Mussolini's old and inelegant methods could ever obtain.