What Is Cosmological Natural Selection?

cosmological natural selection is a theory that explains why there are no medium sized black holls, bu using an analogy from evolution. The strongest in the universe survive, and the weakest universal objects become space dust. Nobody said in african savannah with universes. It's sort of too big an idea to even leap to from this concept. But, you know, i like that about bold ideas. Like, first you hear about thim, you think, what? Thats greaz hol on a second, maybe that makes a little bit of sense.