Miyamoto explains the shift away from casuals.

[kitler53]

Clyde32 said:

..

"Their attitude is, 'okay, I am the customer. You are supposed to entertain me.' It's kind of a passive attitude they're taking, and to me it's kind of a pathetic thing. They do not know how interesting it is if you move one step further and try to challenge yourself [with more advanced games]."

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that has got to be a translation error.  he couldn't have really said that could he?!?