It's rather funny to watch the script flip a bit here. Ten years ago (or so) Sony unveiled the PS3 to have a cutting edge BRD player for the time, which also significantly drove up the price of the console. Lots of people wished they had stuck with DVD instead because, among other things, streaming/downloading movie was expected to eat physical media's lunch in the years to come anyway. Now everyone wants the opposite because apparently that streaming/download only future that made the PS3's BRD drive useless still hasn't arrived.
Granted, a UHD drive isn't as much of a cost premium as the original BRD drives were (probably in no small part because Sony mass-produced blue-laser tech into 80 million+ PS3s...) but there's really no particular justification for it outside 4K movies for which there's still apparently a sizable demand in physical format. Gosh, who knew?