All life? No. But if life is very common, what are the odds that absolutely none of it looks like something we would recognize? If that's true then we are absol

All life? No. But if life is very common, what are the odds that absolutely none of it looks like something we would recognize? If that's true then we are absolutely unique in the universe. It just takes one civilization with a runaway von Neumann probe to drop huge monoliths on every single rocky body in the Galaxy over a couple millennia, and since evidently nobody did that in our solar system, the question is why not. If there's a rule that forbids it, what is the rule and does it apply to us? That's the question posed by the Fermi paradox.