In order to discern fact from fiction one must know what fact is.
In order to know what fact is -to be able to recognize fact for what it is
... especially when not directly obvious ... one must know what the properties are that define fact.
ThomasKaat, you stated: "Facts are facts. Period."
Since facts are determinded by the properties that define them, here's a question for you to answer...
... what are the properties that define fact?