alt Hacker NewsThat's data retention issues on the very first read-through of the media after sitting in cold storage for many years, with subsequent performance returning to normal. It's definitely something to be aware of (and kudos to the blog poster for running that experiment) but worn-out NAND will behave a lot worse than that.
Retention issues with completely new Optane is not great compared to SLC NAND, which Optane was supposed to beat. I have USB drives with the latter, probably a few dozen cycles at most, yet they have had no problems keeping data intact for over a decade.