I imagine he's referring to the Doomsday Argument (https://en.wikipedia.org/wiki/Doomsday_argument https://en.wikipedia.org/wiki/Doomsday_argument). It's popul

I imagine he's referring to the Doomsday Argument (https://en.wikipedia.org/wiki/Doomsday_argument https://en.wikipedia.org/wiki/Doomsday_argument). It's popular in certain circles but controversial.