My parents did this! They explained that most people are brainwashed/radicalized but still good people and still deserve respect. And that you have to play the game to advance in society. It's ok to know more and keep it to yourself in most settings.
Discussion
It's gonna be tough. Encountered a 9/11 reference in a kid magazine tonight. I tried stuck to the bare facts and said "I'm sure we'll talk about this a lot more as you get older..."
A hard lesson 🙏