Commonly known as Gell-Mann amnesia - from a quick search it looks as though Knoll’s law came first.
https://theportal.wiki/wiki/The_Gell-Mann_Amnesia_Effect says “In a speech in 2002, Crichton coined the term Gell-Mann amnesia effect”.
https://www.everything2.com/title/Knoll%2527s+Law+of+Media+A... says “Jan 25 2001: Everything you read in the newspapers is absolutely true, except for that rare story of which you happen to have firsthand knowledge.”
Although I would be sure the idea is much older.
Commonly known as Gell-Mann amnesia - from a quick search it looks as though Knoll’s law came first.
https://theportal.wiki/wiki/The_Gell-Mann_Amnesia_Effect says “In a speech in 2002, Crichton coined the term Gell-Mann amnesia effect”.
https://www.everything2.com/title/Knoll%2527s+Law+of+Media+A... says “Jan 25 2001: Everything you read in the newspapers is absolutely true, except for that rare story of which you happen to have firsthand knowledge.”
Although I would be sure the idea is much older.