Buddhism can't tell fortune, why is there a Guanyin spirit?

The Buddha group is really not allowed to tell fortune. Buddhism appeared many years after the death of the Buddha; Many years later, the hometown of the Buddha was invaded by westerners, which brought western sculpture culture and began to have statues of the Buddha. Many years later, Buddhism entered China, and in order to take root in China and not be excluded, Taoism was introduced to worship Buddha statues, fortune telling and other cultures. ...

Guanyin Lingqian, etc. , all appear in the Buddhist culture of Middle-earth. However, true Buddhists don't tell fortune. Even if you want to tell others fortune, it is to enlighten them to break away from their past behavior and embark on the road of practice. It seems that this kind of fortune-telling for others and income-generating in China temples is inferior. ...