If you're interested in our childish tendencies, you might be interested in my two articles on how mass culture infantilizes us.

https://medium.com/the-apeiron-blog/progress-and-american-infantilism-9fc1a826767?sk=2bc1fc33c13a0e54177beab8fd32629f

https://medium.com/@benjamincain8/american-infantilization-and-the-age-of-reason-2da7faf92c34?sk=a76c121e43a5314438d12c81e04be822