My problem with this kind of things are its assumptions: life is made of carbon, every discovery being conditional probability of being discovered, each civilis

My problem with this kind of things are its assumptions: life is made of carbon, every discovery being conditional probability of being discovered, each civilisation makes exactly the same chain. And the biggest of all: life is the most general and important thing for everything that comes to be in the universe. I.e, everything lives in our own terms