The keyboard/chassis eventually wear out. Ports/busses/memory get changed and updated requiring a full refresh anyway. CPUs don't improve that dramatically, the years of doubling performance every 18 months are long gone. 3 years time is likely to result in what, a 30% performance enhancement? If that? That's nice, but not really worth an upgrade cycle. Especially if those enhancements come at a cost of a bigger die/higher price.
Historically, AMD beats Intel into the dust on this issue
edit - even this article reminds us that this product appears to replace Intel's 'Compute Card', which itself apparently superseded Intel's 'Compute Stick'. Betting on this product for more than a year or two ahead looks about as hopeful as betting on Google's latest API
I'm afraid of this becoming a subscription service for hardware. Buy our chassis, now buy all the things that used to come with your laptop, and don't worry, when you feel your underpowered chipset lagging, you can pay the price of a new laptop to upgrade a single part.
But hey, that part is technically reusable so that's sustainable, right?
Seems to be the goal of cloud everything as a service.