It costs real money to take the most powerful MacBook Air, improve the screen (refresh rate and multitouch) and storage, move the motherboard from base to screen, make the keyboard optional and detachable, and add cellular connectivity, all in a smaller form factor, while as reliable, instantly ready to use, and as it-just-works as an appliance.

Note that removing the keyboard where 'slate' is the first class modality, is enough of a UX shift apps should be designed 'slate first' to not upset buyers who paid $3,300 with tax.

As for "stuck with", well, web works, O365 works, Affinity creative suite works with pencil no less, and remote dev experiences work, to name a few.

Meanwhile this thread can be browsed like a magazine while lying on a couch, with responses typed like a Blackberry.