A human can say that they were influenced by XYZ but they might not be crediting all of the instructors they had, or all the art books they read, all the stepping stones that got them to the point of being able to produce a work that has an identifiable influence. Then consider the people who influenced the person they’re citing as an influence, and so on and so on. I don’t know that the AI can tell you where every flourish comes from, but the person using it as a tool certainly could tell you what tags they used, which often include "in the style of "