I know that the show has been heavily criticized, and that's why I'd like to ask: What did you like about it? What parts of it were good in your eyes?
Each villain wanted the same thing- peace and prosperity, the world over. And, while all were seriously misguided, they arguably taught Avatar Korra more than her actual bending teachers ever could about spirituality and her duties as the Avatar. That's not to say that much of the criticism isn't warranted.