GameplayWhore
Member
It's the people who aren't fans of Mario and Zelda who increase or decrease Nintendo's marketshare. Nintendo needs more to appeal to those people.
Majority of casual gamers who bought Wii didn't care about Mario or Zelda. If they did, they would have bought a GameCube the previous generation.
Wii Sports was a new IP and it made the Wii the success it is today.
Could it not be said that New Super Mario Bros Wii moved systems in a way that Super Mario Sunshine did not? It seemed to have some pretty massive crossover appeal. Both games had Mario, but only one is immediately superfun.