Everything and nothing is luck. Luck explains nothing.Right, but you haven't demonstrated the point you made but instead another one.
You get eaten by a lion, or eat a poisonous plant is all luck.
Covid 19 was down to luck.
The article you posted said that people likely died due to crop failure (which is luck) or disease (which is luck).
Can you elaborate on this point?Nowhere did it suggest that there were a group of people who genetically couldn't cope with a change in diet.