I've been dailying a pixel fold 9 pro for a while now and love the thing. Seeing Apple finally join in is exciting as heck. I wouldn't hold your breath for a non visible crease though, nor for it to necessarily be class leading in its screen tech. I doubt any of it matters though, the Pixel Folds aren't exactly class leading in these regards either and the fold is just not a concern at all once you're using it. it's practically invisible from head on, and the "plastic screen protector" worries are really not an issue either. The durability of the inner screen is actually much better than you'd expect since it spends most of its pocketed life protected from external scratches. Mines still in great shape, even though I do not use a case nor any other form of protector.

Where apple has a significant opportunity here is the software side though. Google unfortunately doesn't seem to be too interested in exploring UI concepts with the Fold, leaving that to OnePlus and Samsung, both of which have imo better multitasking experiences than the Pixel Fold. Apple making an iPhone that becomes an iPad would probably be enough for them to win significant marketshare, but I hope they use this opportunity to do some interesting things with UI beyond what the iPad can do.