I guess there's still some out there that buy what Nintendo say, word for word. I remember when I used to be like that, because their games are cool and you want be on that Lakitu cloud high, right? The reality, if you look close enough is anything but as rosy as you might think.
The 'what you see is what you get' attitude from Nintendo is a false one and frankly complete nonsense that has been hurting their business for the last few console generations. Its a lazy attitude that saves them money (good for you, not for others), which is why they are okay with it and so long as you get your Mario games, you should be too, right?
For a good example of how Nintendo can be, go read the recent article on Argonaut and Starfox over at Eurogamer. Its a clear example of how Nintendo really are talented, but also very draconian and warped. Perhaps you can also go dig up articles on Rare, from when they used to be part of Nintendo. Its not the bed of roses you might think.