Exactly. The only thing that could be considered a black swan event is something foreshadowed or predicted by no one ever, even in fiction. If all rivers sudde

Exactly. The only thing that could be considered a black swan event is something foreshadowed or predicted by no one ever, even in fiction. If all rivers suddenly turned to wine and killed all the crops? Not a black swan event, water gets turned to wine in the bible. As you can see this attitude makes the phrase "black swan event" very useful.