Alternatively, many who were caught in the flood washed up safely on the shores, returned back to town to see people ripping down their houses to build barriers against the flood that they thought was the end of the world.
But by your reckoning it's not many, and given Hitler killed 6 million Jews, which is a lot less than 78 million, he didn't kill that many either.
It's an enormous loss of life, but a tiny number for a worldwide pandemic, especially given current travel technologies that would have made ancient plagues orders of magnitude worse than they were.
In comparison, we're talking about the targeted, deliberate, highly organized extermination of two thirds the entire Jewish race in Europe.
It is another fact that excess mortality has been shown, clearly and repeatedly.
It is also a fact that there is a theory in psychology that anger stems from fear.