Chaos in Chang'an? No. East evil and west poison? This can be done. Peach Blossom Spring? Yes, you read that right. Are there any detoxification techniques like this? Is there such a thing as practicing Qing Gong? Is this how Water Curtain Cave came about? Hehe. .
You are not wrong.
He did indeed eliminate harm for the people, but his method was weird; he did successfully solve (?) The invasion of foreign religions by giving away free milk and the crisis of faith that Emei encountered in Shaolin Wudang; he did successfully help the suffering woman for his own selfish desires, but in the end he still could not win the beauty back; he did have entanglements with the emperor and eunuchs, and he did have a close relationship with the "Sunflower Book".
There are many more true, but they are all interesting things.
There is nothing impossible and nothing unexpected, because the protagonist, supporting characters, and secondary characters all have no logical thinking. . . .
What's more, the super grandma is out. . .