It would seem so... though unfortunately, it's still fair enough that many will find that to be seemingly "random" (and jarring) for their actual experience and enjoyment of the movie.
Personally, I just mostly ignored/overlooked that artifact (of the overall process), but it's obvious enough...
Yep, and I just quickly checked on my PC (via iTunes), and it looks like it might be the new transfer... although I don't have the 4K disc nor my old BD to compare at the moment (and it's been quite a while since I watched the old BD). The initial several minutes certainly look grainy enough w/...