Why is the romance of Sui and Tang Dynasties the favorite of storytellers?

The book Romance of Sui and Tang Dynasties, as its name implies, was not written by storytellers, but by literati, including three parts: 1, the luxurious life of Cheng Luocheng, Mulan and others, the anti-Sui story, and the historical romance novel to be written by the founding of the Tang Dynasty. Cheng and others are only a part of it, not the main content.

Tang Shuo was written by an unknown storyteller in Qing Dynasty, which basically followed the storytelling routine. It tells the story of Cheng, He and Dan, which is much richer than The Romance of Sui and Tang Dynasties. It is a book that describes the stories of these people in detail.

The Story of the Tang Dynasty was written by modern storytellers, and many things were added to Tang Shuo's content. For example, Ding Yanping in Two Guns' Promotion, Luo Shixin, is the most referenced book for storytellers to tell stories about the Tang Dynasty at present. This book not only eliminates the feudal ghosts and gods in Tang Shuo, but also greatly enriches the content of the story and adds many new plots and characters. Romance of Sui and Tang Dynasties, such as Dan Tianfang and Tian Lianyuan, all mentioned this book.