Is it still useful to use hexagrams for divination?

"Fake thousands of books, true story", divination is useless to that divination family! Because Najia Tuina and Zhouyi are not a systematic thing at all, I was misled for many years because I didn't know the previous sentence. The only thing that Zhouyi and that family have in common in divination is the set of symbols of sixty-four hexagrams, and the set of divination names was not actually invented by Zhouyi. Starting with sixty-four hexagrams (such as Lianshan and Guizang), there is the name of hexagrams. What is Zhouyi? Personally, I think this is just a summary of Zhou Wenwang's personal divination and interpretation notes. Of course, Zhou Wenwang's divination method is not na jia, so it has not been invented.

However, when explaining hexagrams, we can really refer to hexagrams, because books are another system.