One thing that half made me feel this way was the announcement of Metroid Returns for 3DS.
The real promise of Switch, to me at least, is that it'll let Nintendo pool their resources - handheld and home console - into the same platform. The idea being that the would-be 3DS library, your Professors Layton and New Supers Marios Brother and indeed Metroid Returns, join the main line Marios and Zeldas on the same system by default.
It would make one system the go-to place, and allow people to potentially kick back with a Phoenix Wright or... Hotel Dusk or something on the telly, should they choose.
But that would have to be communicated plainly by Nintendo's actions and inspire other developers to follow suit, and it's clearly not Nintendo's intention at this juncture. So we still see the split between the consoles for no reason at all, and third parties will view the Switch as the "stationary" console where they have to make more substantial, more expensive games - which is not true, ideally. Sure, install base for the 3DS is plenty motivation, but I think the Switch would absorb that install base as price gets slashed and it it becomes clear that it's the next Nintendo handheld thing.
If there's a successor to the 3DS in addition to the Switch in a couple of years, I think my head will just detach from my body and hover into the atmosphere from pure bewilderment.
So in a way, I suppose I agree with some of what Yuzo is saying. I just didn't expect to, and I guess there's still time to prove the notion wrong.