Foldables are here to stay. You were wrong if you figured they would be a short-lived fad or relegated to some niche corner where nobody paid any attention to them, and many people did. While not yet mainstream, they're not going away anytime soon.
They have their pros and cons, and some models do it better than others. One thing they all have in common is a big sheet of glass that can be bent across itself, then straightened back out (hopefully) hundreds of thousands of times.
