Musk will discover Asteroid but metals value will not be free. a lot of resources needed to send a probe to that planet, do mining and return to Earth. It requires money and investment, and many companies will try to implement the same ideas.
Humans will continue to struggle for resources even if they are over the stars, and this conflict is what earns them value.
I think he is more interested in making bitcoin the currency of earth and maybe have put it aside to explore this asteroid for now.
From the most recent events he seems to be fully vested in his next capital venture.
Make
BTC moon before going to this rock in space looking for more precious metals.
