It’s all about analogies. You can explain anything to anyone.

Rust is safer than Python in the way same way as having a backup sensor in your car versus not. Sure, you won’t need most of the time but it may catch you that one time that you almost backed into a wall because you were still groggy after a night out.

You got their attention and they understand your expert PoV. If they’re still curious and want to know more, you go deeper.