SpaceX CEO Elon Musk has long heavily relied on selling science fiction to investors.

He wants to pollute our planet’s orbit — already brimming with junk — with gigantic orbital data centers. Then, he wants to settle on the surface of the Moon. Ultimately, he wants to make humanity an interplanetary species by building a city on Mars with the help of an enormous fleet of Starship spacecraft, leaving a planet reeling from a climate crisis behind.

It’s the kind of lofty — and,…