Yes, Game Freak have never broken precedent before! I remember with great affection the Hoenn remakes in Gen V... oh. Or the astonishingly well-received Pokemon Grey... oh. But what about Pokemon Z... oh.
Joking aside, I'm... actually interested in this? In an at-a-distance way, at least. It remains to be seen whether this a game I'd actually care about enough to play. But from a conceptual level I'm glad this is happening, in a way I couldn't be for new Unova games.
I guess the reason for my ultimate lack of emotion either way on Unova sequels/prequels/remakes is that Unova's story is just so complete. Sure it'd be nice to get a Black&White 3, but is it really needed? No. Do we actually need to see the Original Dragon, or would it just be an inevitable disappointment? I think the latter. And the originals hold up so well I've been meaning to replay them for months. Similarly, I'm positively predisposed to any Johto content almost as a reflex but I'm not on my knees desperate for more - between GSC, Colosseum, and HGSS I think all of Johto's legendaries have had a fair run.
Whereas I think we can all agree, Kalos fanboys or no, that XY needed it more - either in the form of a third game, two upgraded versions, sequels, or whatever. Hell, I've literally just written a post criticising XY on another thread and I'm still like "yeah, nice" at this news. Zygarde never got its own game and always felt like such an afterthought in Alola, and I'd like to see it delved into a little more than it was. And frankly Xerneas/Yveltal could use a bit more attention too.
That's before I even get into Kalos's three mythicals. Let's hope Diancie, Hoopa, and most especially Volcanion get some proper focus in this title. Maybe enough to give us the chance of getting our hands on that smouldering gold Hoopa and that smexy pink-and-yellow shiny Volcanion...