They all guessed wrong - but reality is just as strange as they imagined. Those meaningless and unanswerable questions the minds keep returning to, like a tongue exploring a broken tooth. We all die alone. We have passed on enough problems to the future and those who come after us will find many more. All intelligent beings dream.
Nobody knows why.
I can feel it. Human judges can show mercy. But against the laws of nature, ther is no appeal. For some things, a lifetime is not enough - but for others, an hour could be too much. The sign of a really skilled pilot is how he reacts not to forseeable emergencies, but to ones that nobody could have anticipated.