Which is why I think they shouldn't create new IPs, but instead put effort into actually promoting them. Nintendo tends to rely on the word of mouth method, but it only worked for extremely few titles. In recent memories the only title that has managed to work with that method is Xenoblade Chronicles.
Well I mentioned new IPs only because of the news that Miyamoto was working on a new IP.
I really think the Wii was a double-edged sword for Nintendo.
Prior to the Wii, Nintendo consoles were a pretty good platform for new games for people to play.
When the Wii dropped, a huge amount of people who wouldn't think twice about picking up a gaming console, picked up a Wii.
These people had no interest in play games like Tatsunoko vs Capcom, Pikmin or even Skyward Sword, they only wanted to play games like Wii Sports, Guitar Hero and Boom Blox. These people greatly outnumbered the people who have stuck with Nintendo prior to the Wii's launch. So while the old fans supported these new games, it paled in comparison to these party games.
When sales revealed what kind of games were thriving on the Wii, it only encouraged companies to produce even more party games. And other companies sought out homes on other platforms
(PS3/360/PC). During the 7th Generation, Nintendo became heavily associated with party games. So much that people believe actually believe that Nintendo has always been about party compilation games.
Now it's the 8th Generation, and the people that once flocked to the Wii have moved on to the next big thing
(..Tablets/Apple products
); However, the stigma that these new fans brought is still associated with Nintendo, even though they are all gone. Now all Nintendo has now are the fans that they had prior to the Wii
(A bit of an exaggeration but you get the point), Nintendo is marketing the Wii U like the people that made the Wii a success is going to bite again.
TL; DR:
Here's the analogy: You and Nintendo are BFFs. Nintendo throws a huge house party, and the turn out was better than expected.
This new crowd that showed up kinda changed Nintendo, and Nintendo is treating you different now that it has new friends.
The party is over, the new crowd is gone and this new crowd ****ed up Nintendo's house in the process.
As Nintendo looks around, all it sees is its ****ed up house and you standing in the middle of it.
Nintendo asks for your forgiveness and says that next party, it's going to be different.
*Throws a half ass'ed party expecting the new crowd to show and promises "launch window" booze*
New crowd doesn't show and your like "Get it together, bring out the Falcon Punch"