You do something. The story is passed down for 1000s of years before some guy decides to write the story down. Upon realizing that the story they wrote wasn't exactly correct and had morphed through the years due to human fallibility you, still being around of course, decide to correct the record with what actually happened.

Event takes place

v

Incorrect version of events written down a millennia later

v

Record corrected upon realizing the truth has been lost to time

I don't see the problem nor any validity to the argument that older = better when talking about things written after the original event took place, particularly when they weren't written by anybody who was there for it (well except for the fact God was there when he created everything but that leaves the scope of what I'm trying to argue here).