A few years ago, in Turkey, a sheep jumped off a cliff for no reason and after seeing it, fifteen hundred more sheep jumped and four hundred and fifty sheep died.
The pile of corpses was so high that the rest either survived or were injured. This is called herd psychology.
That is, the psychology of the herd
Herd Psychology
And in common language, herd behavior
Herd theory means the following or acting of an individual action by the entire group or group without any direct direction.
This