On this court decision, all Pierre would say is he supports the "principle" of indigenous autonomy.
But his entire party voted against this bill, they spent the debates rambling on about it being unconstitutional and falling under provincial jurisdiction, and now that is has unanimously been found 100% constitutional all he has to say is the same stuff he was saying in 2019.
Take note, he'd of done nothing on this file and if he had his way this legislation would never have been passed.