I'm sure people predicted the death of Ford when Henry Ford died. And they keep making cars. This is business, they have the top talent of the world to choose from. You can't say any one person dictates Apple's future.
And if they fail, some other company will fill the niche and we won't even think about Apple, but some other company who makes products we enjoy.
And if they fail, some other company will fill the niche and we won't even think about Apple, but some other company who makes products we enjoy.