Edit: Can the person who downvoted me answer my question, instead of cancelling it?
You're probably being downvoted because the first paragraph explains that the pictures were drawn on napkins in 1963 when the author was a child, while he was bored at a conference.
The napkins and the drawings are not the point. They have been in the trash for 80 years.
Are there still credible voices maintaining that psychology is a science?
For more about Margaret Mead maybe read this interview with Mead and Bateson, they both come across as extraordinarily sharp:
https://web.archive.org/web/20210116040013/http://www.oikos....
Discussed here: https://news.ycombinator.com/item?id=20315632