Never trust the tenth episode. Screenshots from "The Library" (ATLA season "The Day of Black Sun, Part (ATLA season "Turning the Tides" (LOK season "A New Spiritual Age" (LOK season and "Long Live the Queen" (LOK season
"I was reading “Phantom Limbs” by blak_cat and in it they point out that before zaheer korra always had her arms exposed, but after being poisoned, when she returned to republic city she covered them up.
Kuvira's purpose was to help others, essentially, but her way of doing it was making herself the dominant provider and leader of everyone. This is a perfect example of that. She wants everyone to look to her as their leader, including the avatar.