What you cite should worry you!
Switch is a HYBRID console for only 299$, has vastly superior hardware and software at least in graphics as a handheld console compared to 3ds, these are equivalent of 3ds price cut and the sales performance in the west proves it.
Let me ask you, when its price will go down? Its manufacturing cost is 249$ (90$ joycons )...
The solution is a joyconless switch for 199$ because sadly some Japanese don't care that you get a home console and handheld console for just 299$.
The sales difference in Japan will be double soon, ns selling half of what 3ds xl was selling and 3ds arrival into comparison is only three months away!
Hence, 3ds price drop isn't the excuse, the excuse is that some Japanese aren't interested in home gaming on tv ( as they should, due to the enticing combination of switch concept+ price ), so 299$ are too much for them to expend for hndheld console gaming, plus the prices of the games ( home console games prices ).
Yeah, this is probably the most obvious hardware revision they could make for the Switch, but I wonder if they would be able to do so without being accused of false advertisement. The 3DS had to change its name into 2DS for the revision, how could they do that with the Switch? The Nintendo Go? Would that be a bit misleading?
To be fair, I'm sure they will be able to lower the price of the parts on their own to make up for the price. The console is selling quite fast, so there's no real risk of overstocking a single model.
You know it deserves the GOTY.