watching Elemental, and do I get the premise correctly: a race of living fire, which is by nature deadly dangerous for all living and non-living things unless controlled tightly, demands equal rights and accommodations in a city built for harmonious life of water, earth, and air?
o m g, they literally left their precious original fire country with their lovely "traditions" because they wanted more profit in the big city 
spoilers
millennials writing this movie don't understand that fire parents wouldn't have any problems with their girl not dating anyone: they'd arrange a marriage
and were she to date someone, moreso someone out of her caste would spell death not for her boyfriend, but for her
I dunno whether they will mention any history lessons of this world, but I bet water, earth, and air were living in peace until fire nation started a war and forced everyone else onto the last remaining piece of land where they established a new city for every persecuted element...
