If part of your reasoning is it follows the pattern of computers getting smaller (as in The Innovator's Dilemma), in a way, this kinda sorta has happened, in th

If part of your reasoning is it follows the pattern of computers getting smaller (as in The Innovator's Dilemma), in a way, this kinda sorta has happened, in the form of Chromebooks that use smartphone hardware, firmware and software. Of course, it doesn't imclude the crucial "dock" part (except in the sense you can plug in a fullsize keyboard and monitor as you can for a laptop). Not sure of the situation recently, but at one time they were topping amazon lists.