Odd that no one has mentioned Cixin Liu's Dark Forest theory as an answer to Fermi's paradox: that the universe is a zero-sum game, and the safest reaction to t

Odd that no one has mentioned Cixin Liu's Dark Forest theory as an answer to Fermi's paradox: that the universe is a zero-sum game, and the safest reaction to the discovery of another civilization is to annhilate it. Therefore, hiding in the vastness of space to avoid any contact is the most prudent course.