Great vid from DigitalFoundry. Good examples of the present technology in use, and possible future upgrades.
Seeing the Minecraft example (appx. 3:30 and 8:30 in vid) it really got me thinking about this again though. The Switch runs Minecraft at a noticeably higher block distance view when docked vs portable... so it might make some sense to have a constantly-high-performing and small-sized Switch-compatible home console. If it were within 50-70% of the cost, I'd buy one without hesitation.
It is still wishful thinking. If nintendo decides to make a console only version it will probably cost more because it will be a more powerful system, perhaps with 4K.