JerryRigEverything won't tell you how easily the hinge gunks up or cruft gets stuck in places it's not supposed to be or how quickly crease marks show up and how bad they are.
While Apple certainly looked at the competitors to see what problems they had, it's far from a given that Apple has managed to actually solve the durability issues, either, much less on their first attempt.
It’s not their first attempt though? It’s their first public release.
Imagine they have 100 previous versions as it’s been mooted to have been in development for years