Placing a gag curse on the members of Dragon Team Zero was not out of a lack of trust, but rather a precaution against their youthful innocence, lest they be outsmarted by the old foxes of the six Temple Alliancees.
Although they had witnessed the visions of their past lives and thus stood firmly behind Long Haochen, even Long Haochen, who had experienced those events firsthand, could not completely let go of his familial ties to the chief culprit, Long Xingyu, after viewing the footage. How much more so for Han Yu and the others?
Bai Yue did not wish to gamble on the dark and treacherous nature of human hearts. Ultimately, her current restraint from attacking humankind was done for Haochen's sake, as well as out of consideration for the deep ties her mother, Bai Lingxuan, held with the human race.
Chapter 115