As someone on their second foldable, fold 3 now fold 6, the crease is truly, I promise you, a non issue. Unless you’re doing detained drawing with the S-pen, not my use case, it has no meaningful effect on the experience. For single person consumption, you almost have to consciously try to position it in a way that’s visible when watching a video, for example.

I’d actually miss the crease, as it gives the screen a kind of magic book-esque quality. The biggest problem with foldables in my experience is the odd aspect ratio universal to all of them, something a tri fold design may actually mitigate.