I think we need (are owed, really) more information. For the sake of argument, let's extricate the Page case and all of the surveillance accrued against him. Does this materially alter the fundamental underpinnings of the cointel probe? No. Does it cast a disconcerting light on the intelligence community and their methodologies? Yes. Even if the FISC surveillance on Page provided significant portions of the backdrop used to implicate Papadopoulos, I'm not entirely sure that we can unremember what we've learned, despite whatever legal questions related to its origin are mounted.