As a practical matter, the U.S. Space Force and its Russian and Chinese counterparts will have something to say. Furthermore, Space X still is based on Earth. It will be a couple of generations before a completely non-terrestrial supply chain can be developed.
I can tell you that forward thinkers in the U.S. national security space enterprise are already thinking about the importance of controlling the La Grange points in the Earth-Moon region. I have been wondering for a couple of years how corporations like Space X will protect themselves from space pirates.
The article gave me some nostalgia about the old Polesotechnic League stories of Poul Anderson or maybe some Heinlein stories.