It has a lot to do with the US using Oklahoma as a dumping zone for first Americans and then over time taking even that from them piece by piece.

If your interested, Jonny Harris did a piece on it recently.

The Native American State That Never Was

If they were to go back to that I agree. I would bet that whatever they reveal is objectively worse than the old Gold system and seeks to extract more money out of users under the guise of “awarding valuable content”