Read AI summary what “Never Split the Difference” is about. And its a bit scary that you think its suitable for talking with kids. Its pure manipulation technique. If you need to do this to your its most likely you were unable to create a real connection with them before.
Thank you for proving Tim Ferris right and showing that AI actually degrades the knowledge adding a second order harm to human society.
The tactics themselves are morally neutral. They can be used to manipulate or elevate another person whose well being you are deeply committed to, the intention behind the tactics are what determines if it is manipulation or connection/persuasion.
Please read the actual book, it’s kind of the opposite from manipulation. You can read more detailed answers in the near branch of comments.