You've never played the "telephone game" in school? Passing information verbally from one person to another (whether standing next to you or to the next generation) is famously inaccurate, even when everyone is trying to ensure correctness.

https://en.wikipedia.org/wiki/Telephone_game

> even when everyone is trying to ensure correctness.

...I am, uh, skeptical of that with regard to the telephone game.

There's always one secret troublemaker.