From an outside perspective on the whole competitive stuff, I believe that the core of Nintendo's disregard of the competitive Smash scene and their attempt at trying to make Brawl very uncompetitive (which proves my point that it's the community that makes the game competitive, not vice versa) is that they're scared about losing money. It's possible that their point of view is "If a potential customer sees some pro laying down crazy combos, they might think it's too difficult of a game for them to even pick up." Just speculation, though.
It's interesting to think of Nintendo in that way, since they 'seem' like the friendliest of the three big VG companies. I can see how they might think in those terms, but for me personally, man... I'd love to be as good as some of you at these games.
You guys don't have much to worry about. In my humble opinion, I think you should forget about Nintendo entirely. It sucks that you've built this community from scratch and they've never set an eye on/acknowledge you, but it's their loss. Besides, plenty of good flavors to choose from already (64, Melee, Brawl, PM...). Putting too much hope in Nintendo to make something that's meant to be highly competitive just begs for disappointment.