Is the dark forest theory in Liu Can Cixin's Three-body Theory tenable?

I think there should be an organization similar to the United Nations, which is composed of high-level interstellar civilizations, which restrict and coordinate with each other, and then adopt an observation system for low-level civilizations. Just as we observe animal habits in nature reserves, we are not allowed to interfere with the evolution of civilization. But once a civilization enters a more advanced civilization, the interstellar organization will invite it to join itself to ensure the stability of interstellar * * *.