After a decade, why hasn’t iPad become the computer for the rest of us?

iPad just turned ten years old. It’s come a long way over the past decade, but many feel it hasn’t come anywhere near far enough, especially versus its initial promise. After a decade, why hasn’t iPad become the computer for the rest of us?
Ben Thompson for Stratechery:Apple’s iPad Pro with Apple Pencil and Smart Keyboard FolioIn my opinion, multi-tasking on the iPad is an absolute mess, and it has ruined the entire interface; I actively dislike using the iPad now, and us