In most organizations change usually means more delays. So any change is strategy should bring clear benefits.

A lot of media are very much exaggerating about "the demise of Nokia". They are making money, they are selling more smartphones than ever before and a lot of people seem to like their products quite a bit. Would a future Nokia smartphone be better if they switch to Android or Windows Phone 7 or make some other radical change in their strategy? I don't know. The people at Nokia are best to judge that. They have the expertise and the inside knowledge.