It is a case of drawing something to a large extension in order to demonstrate a point. This is a rhetorical device and people shouldn't read the number 100 as

It is a case of drawing something to a large extension in order to demonstrate a point. This is a rhetorical device and people shouldn't read the number 100 as literal. We could go so far as to say that focusing on the number 100 is not seeing the forest for the trees. Even though there isn't a literal trees or forest, and there is no need to create a study to find the trees or the forest.