The reason is that there isn't that large number of named/popular irrational numbers and you are likely to choose some digits close to the start (say within cou

The reason is that there isn't that large number of named/popular irrational numbers and you are likely to choose some digits close to the start (say within couple thousand digits). Good chance somebody else will do the same. I know personally two people who do this (chose consecutive digits from an irrational number).