People make diaries in Konoha, the female characters are broken

In the world of Naruto, the golden finger is a diary. Come on, decent people who keep diaries? What, as long as you write a diary, you can get rewards, including the limit of blood succession and the resurrection of secret and forbidden techniques, etc.? Set a small goal to teach Kaguya Hime to be cautious and low-key before, but she was told that the diary would be seen by others. Who keeps a diary for others to read? Isn't that exposing your heart? Something wrong? Are there other benefits? Lo...