The conduct must be unconscionable, perhaps by diverting one's attention with false and misleading leading statements, but not amounting to a mistake caused by misrepresentation.
The act of imagining unexperienced childhood events, such as being rescued by a lifeguard or breaking a window with one's hand, increased confidence that the events had occurred.
Being thus labeled is somewhat akin to being called a child molester in that the tag never seems to go away, and both can be equally deleterious to one's career.