You say you want a revolution, well, you know, we all want to change the world.
Prepared for the finale, Deviantart? ME NEITHER. I AM FULL OF FEELS.
If you want this to be shippy: it is.
If you don't want it to be shippy: it's just a comment of the duality between the two characters.
Either way, it's a homage to their contradictory/complementary natures in whatever way you want it to be.
Legend of Korra is (c) Brykalodion.