Native Americans Mistake

Do you think by trying to govern themselves, the Natives ultimately made a mistake?
I will say it is a good thing that the Native people took that initiative to govern themselves because of the continued oppression and suffering they experienced at the time. The effect of the residential school that snatched children from their parents and placed them in a school system and violated them physically, emotionally, sexually left its scars.
The native people constantly experience neglect from the government, it was recorded that the mortality rate of the natives were higher compare to other Canadians. Nobody care that their babies were dying, water the primary source of livelihood were often poisoned with chemicals and yet no provision was made