How is this hacky? Jon Stewart made a joke about his Jewish mother complaining he doesn't call. A stereotype.

He still has some other work. His voicing of Morty's Dad is awesome.

They can't necessarily time-skip. The earth nation is in chaos due to the death of the earth queen. That means criminals and strong benders are going to be making their names by becoming Warlords. Korra is going to have a very busy time.

Be happy, there is a legend of korra video game happening very soon!