The Supreme Court of Canada, ruling on the treaty rights case involving the Robinson-Huron and Robinson-Superior treaties, has given one of the sharpest rebukes of the Government of Canada (and, in this instance, Ontario) in legal history. Federal and provincial governments — current and historic — were chastised, criticized and legally spanked, in a decision that will resonate through the coming decades and that could transform Canada’s approach to resolving Indigenous legal grievances.