The Effect of Sheep Flock is generally used to describe that people have a herd mentality. Herd mentality is easy to lead to blind obedience, and blind obedience often falls into fraud or fails
According to this definition, which of the followings doesn't belong to the Effect of Sheep Flock
The style or color of clothes that nobody cares about at ordinary times - once they are publicized as the popular style or color of the year by the media, everyone will rush to buy them