[ElCheapo]

I used the Machintosh example because the use case you're talking about is a completely old fashioned way of intending "portable computing". Portable computing currently means being able to take your device out of your pocket and being able to use it on the go. The Intel stick certainly has its uses, but are unrelated from the topic at hand and strikes me as just an excuse to share something you do that you think is cool.

[selfhoster11]

There's no reason the MNT Reform cannot be used both on the go and in a docking station.

The parent likes to use an "old fashioned" (I disagree with that judgement, but fine) paradigm of portability, so what? Does that make it a less valid choice? "Portable" is a generic term that's not reserved for discussions of any specific kind of portability, so why not coin/use a specific term for "fits in your pocket and is usable on the train" if you need one, rather than silently assume?