Mining in space might be less environmentally harmful than mining asteroids on Earth.
Space is starting to look like the better mining operation | Mining in space might be less environmentally harmful than mining asteroids on Earth.::Mining in space might be less environmentally harmful than mining asteroids on Earth.
I think the implication was that some genius decided to suggest the idea of dropping the asteroids on the surface before mining them the old-fashioned way. Because there's no way that could possibly go wrong. It's not like anybody ever makes math errors or anything.