* It's difficult to open/service so you can't flip the switch which allows flashing Coreboot that easily
* You can't upgrade it's minimal storage, and there's no LTE
* The keyboard is non-standard: no super key (great for WM) and no dedicated home/end
I'm not too familiar with hardware constraints but I remember when people were comparing microSDs on phones vs built in storage one of the big issues was that the speed on microSDs was way worse.
* It's difficult to open/service so you can't flip the switch which allows flashing Coreboot that easily
* You can't upgrade it's minimal storage, and there's no LTE
* The keyboard is non-standard: no super key (great for WM) and no dedicated home/end