Instead of letting kids play on their phones, talk about products or solutions to problems. The critical thinking habit they develop is invaluable as they go out into the world.
The difference between a leader and an ethical leader is both will be scrutinized, but the ethical leader invites that scrutiny and is willing to step up because they are grounded in their values and immovable.
Why would anyone commit a crazy amount of time to writing a book? You can learn by reading, but research, writing, fact checking, etc., is like the Iron Man of getting familiar with a subject.