I feel like, if anything, Nintendo is telling people they don't need to upgrade with these special editions. Sure, there are some benefits, but a regular 3DS will be perfectly fine for most people. The target market for New 3DS are people who don't know any model and enthusiasts who own multiple models anyway. Anyone else who upgrades is just a bonus.
Am I the only one who doesn't care that Nintendo is releasing New 3DS? It's on them to prove to people like me that we should upgrade. So far, they haven't. Either Nintendo commits some serious exclusives and risks underwhelming sales, or we all just keep playing our 3DSes and act like nothing happened. I'd bet on the latter. Nintendo is releasing New 3DS primarily for Amiibo, another thing I'm not committed to supporting. With what Nintendo has announced, I haven't come across a scenario where I don't win, unless you count no Circle Pad Pro support in Super Smash Bros. for 3DS, and even then, the Wii U version is not far behind.