Actually, Hong Dali only remembered the names of these secret manuals from reading Jin Yong's novels, the contents were definitely different now—but that wasn't important, what was important was that he had adventured in the universe for so long, after all, so he remembered quite a lot of the various secret manuals that he saw.
Other things aside, just the Last Words by Tianji alone was enough for him to split into several secret manuals. For example Alleviate, Crush, Tough, Stride in Air, Assault, and Charge, these six moves. Charge could be transformed into the "Sunflower Treasure Book", Stride in Air could be called "Lingbo Micro Steps", Assault could be called "18 Dragon Taming Palms"…
Therefore, this was a standard example of selling mutton as dog meat. But luckily, the contents of the secret manuals were all real, definitely not some scam.
In this Martial Arts-type dimension, some people would definitely be able to tell its true value.