Well, it can be linked to the more serious Everett's many-worlds explanation and quantum immortality ... we don't live in a world in which we successfully fired

Well, it can be linked to the more serious Everett's many-worlds explanation and quantum immortality ... we don't live in a world in which we successfully fired up the LHC and the black hole destroyed everyone on Earth, because in that world, there is no life on Earth. So we live in one of the other worlds in which, by whatever improbable means, the black hole never materialized. Why is this not a serious topic? See also the "Doomsday argument". It makes similar arguments in a different context without resorting to many worlds. Just the fact that we are alive at a certain time affects the probability that we are part of a doomsday scenario. * https://en.wikipedia.org/wiki/Many-worlds_interpretation https://en.wikipedia.org/wiki/Many-worlds_interpretation * https://en.wikipedia.org/wiki/Quantum_suicide_and_immortality https://en.wikipedia.org/wiki/Quantum_suicide_and_immortalit... * https://en.wikipedia.org/wiki/Doomsday_argument https://en.wikipedia.org/wiki/Doomsday_argument