It had become a fact that she and Wei Qingwan did not get along, even though she still did not want to compete with her for affection or for the male lead.
Since they were unavoidably enemies, she decided to do something else—stir up the whole situation.
Diverting everything off course was a form of self-protection in some way.
Of course, her actions also had some benefits for the Four Treasure House, by creating a fictitious figure—Attendant Heyou, who supposedly had a strong connection with the Tibetan layman — which could lead people's imagination astray, causing them to doubt that behind the Four Treasure House was a person of some status and background.