Due to the 50 million RMB in sales from the AI course, Li Yizhou has recently chosen to quietly remove the course. Audiences have raised doubts about certain content of the course, believing that there might be issues. Li Yizhou claims to be a PhD from Tsinghua University, but in fact, he did not graduate in AI. His core expertise covers design, AIoT, etc., which are unrelated to AI and deep learning. Li Yizhou's background is from the Academy of Arts and Design at Tsinghua University.