I was responding to Ian.
There needs to be a reason for creating a new IP. Nintendo created many in the 1980s and 1990s whenever they needed to, typically when they were venturing into a new genre. That's not too different than other companies. Some start with a story and simply cannot use existing characters, but how many of those does Nintendo have? Mother/Earthbound? Xenoblade? Sometimes, it just doesn't make sense to put Mario in everything and that's when we got, for example, F-Zero and Star Fox. Those IPs were created out of necessity. And yes, there are times when it just doesn't make sense to use an existing character and Nintendo does anyway (e.g. Kirby's Epic Yarn). When it does make sense, why not just use an existing character?
New for the sake of being new is pointless. I brought up Retro Studios creating a new IP, not because it would be new, but because it would stand a better chance of reaching people who don't really play Nintendo games. They won't consider a Wii U because Mario and Zelda don't resonate with them. There are genres that Nintendo has no presence in and I think Retro Studios has the talent to fill the void one game at a time if need be. That way, they're creating for reasons beyond simply creating. I think Retro Studios can handle just about anything Nintendo asks of them. They can make Star Fox or F-Zero and do a damn good job too. I just think it would be far more beneficial for Nintendo to expand their core audience. Mario will sell to Mario fans and there are a lot of them, but there are whole segments of the market that Nintendo has nothing for. If third parties aren't helping Nintendo and deals like Bayonetta 2 cannot be made, Nintendo should considet going after those audiences themselves.