Beehive Mentality, (Groupthink)

https://www.webmd.com/mental-health/what-is-hive-mentality

Synonyms for Groupthink are:
Mass psychogenic illness (MPI)
Mass hysteria
Mass delusion
Mass formation psychosis
Mass delusional psychosis
https://en.wikipedia.org/wiki/Abraham_Maslow
https://en.wikipedia.org/wiki/Alfred_Adler
https://en.wikipedia.org/wiki/Sigmund_Freud

Mass formation:
Mass hypnosis, also known as mass formation, is a type of hypnosis where the attention of an individual is hyper-focused on a very small part of reality, making the rest of reality disappear into darkness.

It is also used to describe a psychological methodology to aid in reducing anxiety.

https://en.wikipedia.org/wiki/Jesse_Ventura