comment: >
  
  The joke is good, but also an analogy on how poor documentation can lead to no difference between knowing nothing about a subject and having a thousand page paper on the subject. 
  Stuff gets filed away and the relevant people can't find it 20 years later all the time.
context: Wonder how they could’ve missed them all these years: they’re outlined and even labeled right in the hillside! >
  
  Searches found them decades ago. Researchers only found them again recently. >
  
  Newer researchers discovered those earlier researchers up on the hills, lost.