At some point, it's just keeping score. Elon Musk doesn't need to be a trillionaire, he wants to be one. None of the world's billionaires need to be that rich,

At some point, it's just keeping score. Elon Musk doesn't need to be a trillionaire, he wants to be one. None of the world's billionaires need to be that rich, they are just competing against each other.