You know what? This is bullsh*t. If anyone has the right to feel annoyed and "betrayed(?)", it's Nintendo and us Wii owners. The sheer amount of sub-GameCube quality games they've been shoveling on Wii is sickening. What GameCube was capable of was very impressive (Rogue Squadron 2 & 3, RE4, MP 1 & 2, SF Adventures, Mario Sunshine, etc.) and considering how much more powerful and efficient Wii is than GC, we should be getting games that are at the very least, twice the quality of the above mentioned GC titles. Consistently. They have absolutely NO right to complain.
I'm really sick of them screwing us over with their low-budget, half-assed, un-inspired, content/feature gimped shite. If Wii was selling poorly, then I can say there's some merit to their lack of effort, but that isn't the case. Not in the slightest. So no. Epic fail.
The Wii Remote works quite well as it is. Any problems with their motion controls is a direct result of poorly thought out and/or implemented motion recognition. Which isn't surprising considering the quality of almost every other aspect of their games is utter crap (i.e. gfx, sfx, Wi-Fi, content, features, etc.).
The Wii Remote works quite well as it is, but it's mainly with medium to large sized movements at preset-like speeds. Better results can be achieved, but like anything else, it requires some actual effort to get. Devs have stated before 1:1 ratio has been achieved and tested, but performance had been rather twitchy (although, that could also be from a lack of proper effort).
Wii MotionPlus, on the other hand, allows games to recognize more subtle and intricate movements at slower speeds allowing for more refined and intuitive gameplay than just the Wii Remote alone. I don't see this as a sign "Nintendo's admitting the Wii Remote fails to deliver" at all.
I find it hard to believe Nintendo wouldn't have clued in 3rd parties without having a good reason. It's possible they only recently reached a point where Wii MotionPlus was at a presentable level and, with E3 imminent, saw they opportunity to showcase their brand new attachment and seized it. Either way, it isn't launching for about year.
Chance favors the prepared mind.