Elon is going to demand access to the Yellowstone Caldera pretty soon I'm guessing.

Hey man, shaving a few petawatts off that time bomb would be great.

Geothermal power -> some % saved for atmospheric carbon extraction makes it a carbon negative endeavor.

Relieve the US energy woes somewhat.

Use the carbon to make methane for his rockets.

And make some diesel fuel too, while he's at it (though he'll have to stock up on soybeans - great for his eventual presidential run)