I just realized. The reason Nintendo might be using is that the previous Wii RPGs didn't sell very well. Of course there were, what, two? Tales of Symphonia 2 which wasn't really that good, and Arc Rise Fantasia which had a rather bad translation and almost no advertising whatsoever. Of course, Namco Bandai seems to have the same opinion regarding the sales of Tales of Symphonia 2, so it may have rubbed off.