Doomsday Argument. By the Copernican Principle, we are born at some random time on the line of all possible times at which a human can be born. From very simple probability, we seem to be able to predict the future number of humans and our own place in the set of all humans that will ever live

https://www.wsj.com/articles/doomsday-math-says-humanity-may-have-just-760-years-left-11561655839

Where do you think the flaw in this logic is? Can we really get this much information about the future just from probability?