Originally Posted by Sponge

so what's so bad about getting more of the same?

Because it's more of the same, duh. I don't like more of the same.

In addition, after consolidating everything into Japan, Retro is the one western studio that Nintendo has that could do something differently, being in touch with the rest of the world. And what do they do? They create the next installment in the one genre Nintendo Japan has fully covered.