Premise: Uniformity is not a sine qua non, and this is where Pepin-Robarts in reminding us of the opting in and opting out facilities and raising the compensation in opting out provided the opportunity if there is a spirit of goodwill and of pragmatic compromise for working out arrangements to accommodate the increasing pluralism in our federal society.
Hypothesis: Punctuation would make this statement easier to comprehend is what Pepin-Robarts thought when reading this summary.