The "LoK characters are 20th century ideologies" argument gets more and more support. It's obvious and oft-remarked about the [so-called] villains (Amon ~ Communism, Unalaq ~ Religious Fundementalism, Zaheer ~ Anarchism, Kuvira ~ Fascism). What is more interesting is the [so-called] heroes!
Su Yin represents Randian libertarian-type Republicans and how they'll betray the nation and their supposed individualism to cooperate with globalist neoliberalism every time.
Varrick is pure capitalism, hence his jumping from faction to faction before being permanently ensconced in the left-corporate neoliberalism represented by the Korra/Asami/RepublicCity characters.
LoK reveals much more about its creators and fans than the world in general.
Korra (who is, don't forget, technically Princess of the newly independent/atomized south) is gonna get fag-married to the second biggest corporate CEO (asami), is friends with the other top CEOs (Varrick & Zhu Li), practically family with the rootless cosmopolitan religious minority that has appointed itself arbiters of world wide moral authority (((airbenders))), good friends with the traitor fake-libertarians (Bei Fongs), and in the end dyke mogged the Earth Kingdom into fracturing into smallers states ripe for
So Bryke defines victory as cultural marxist business interests, subversion and degeneracy.
earth/third Avatar might unironically hate his one and only vocal past life and wear a "Kuvira Was Right" t-shirt.