It probably is true. And it might surprise you, but papers leave things out all the time... Even things that can be calculated. Shocking, I know. And that would

It probably is true. And it might surprise you, but papers leave things out all the time... Even things that can be calculated. Shocking, I know. And that wouldn't be in the paper anyway because the Fermi Paradox & Great Filter is not hard science but still half philosophy.