>>22279044You're one of the MANY who haven't been looking behind the scenes
The creators of Korra were being hounded by Nick to end the show, and were even close to not making a season 4 because Nick wanted it dead.
So they were incredibly rushed, on a tight budget and decided to go out on a lesbian note to say "fuck you" to Nick and also because it's the ending they were originally planning if they had more budget.