And yet iPad is still very useful computing device for millions.

Dex has fully functional browser, office apps, media software and file management. That covers huge amounts of use-cases.

Frankly I'm amazed at the efforts some people do to make iPads work as laptops (at least from what I saw on YouTube). Once they add a keyboard it's almost as heavy and bulky than a laptop. Some add a HUB with a mouse and even plug a RaspberryPi in USB C to SSH into ...

I'm not convinced it's worth the efforts.