Because the object of their faith was not the Goddess Guanyin, but the Great Bodhisattva Guanyin!
In the eyes of them and all the monks in the Western Territory, the Goddess Guanyin was the mortal incarnation of the Great Bodhisattva Guanyin.
The Goddess Guanyin represented the Great Bodhisattva Guanyin, descending to the mortal realm to deliver all living beings from the bitter sea of suffering.
Chapter 963