"hard to time precisely, but everybody knows that it’s a thing that happens regularly. " ... " That’s the exact opposite of a black swan;" No - big things that

"hard to time precisely, but everybody knows that it’s a thing that happens regularly. " ... " That’s the exact opposite of a black swan;" No - big things that happen every so often that you cannot time are exactly what Black Swans are. None of those pandemics you mention rose to the level of disrupting business globally, what we are seeing is unprecedented. 'Pandemics' do not disrupt the world regularly. 2008 crash, 9/11, 1998 Asia crash, Iraq War I, 1987 crash, Opec oil crisis - nobody saw them coming. 'Black Swans' happen every so often but we never know what form they are going to take. The big 'black swans' were, 2008 crisis, 9/11, Asia crash 1998, possibly Iraq war I, 1987 digital crash, Opec Oil crises, etc.