That’s the kind of statement Apple would use in its presentations, just before they would reveal that they built it anyway.
The crease in the fold should be non-existent: no color bleeding, no weird reflections, it must be a perfectly flat screen. Apple extremely picky about image quality.
Also, water and dust resistance must be amazing.
They already sold a phone with a folded screen before (iPhone X has a fold at the bottom to hide control lines), so they may be looking at the tech with a different use case in mind.
For example I could see them looking at foldable screen tech to make the bezel disappear (iPhone X screen trick, but taken to the extreme).
Picture an iPad/iPhone which is just a perfectly flat piece of screen, no bezel (or a very thin one), no notch, no edge aberrations (like the curved screens some smartphones have). Essentially Job's vision.
I buy they're prototyping it, but launching? That's a long shot. The tech is nowhere near ready for them yet.
They're extremely fragile, the screens have weird artifacts near the fold, water resistance is awful, scratch resistance is awful, usability sucks.
Physics really doesn't want you to build a foldable smartphone, and in any case it's mostly a gimmick. The UX is not better, it's arguably worse.