A new video from the popular YouTube channel JerryRigEverything shows that foldables that keep their displays on the outside of their case are at severe risk for damage. Simple items like keys or extreme heat could permanently mar the display of a foldable smartphone.
https://www.notebookcheck.net/New-video-from-JerryRigEverything-demonstrates-critical-design-flaws-of-foldable-smartphones.428357.0.html