The treaties were made in perpetuity, and if you are going to not hold up the crown's end of the promises, the FN's side - giving the crown and Alberta governance over the land - needs to be reverted as well.
Contracts require both sides to adhere to them.
That is wrong. You were probably thinking of British Columbia, where no such grand Treaties were ever enacted.
do you actually know what the terms are, and who has what responsibility to them?
you might want to do some amount of research before accusing the french ...
who by far out of the colonial powers had the best relationship with indigenous people in north america, and whos relationships created a new culture blending french and indigenous cultures together into the Metis,
... of genocide.