It is true that some movements are forbidden, such as women's one-arm loop, on the grounds that too high intensity will cause too much harm to the athlete's body, and it is impossible to permanently damage the athlete's body in order to get high marks.
However, some movements, such as Mo somersault, Kui Yuanyuan's balance beam string and Li Ya somersault, are not prohibited at all. Mo somersault was also used by Yao Jinnan a few years ago, and Li Ya somersault is a famous stunt of our uneven bars princess He Kexin.
Others were eliminated because the development of the times did not conform to the trend. For example, the uneven bars used to be very narrow, but now the uneven bars are very large, so some movements are naturally not applicable.
Don't think so badly of us in China, as if we were bullied by others. During the development of gymnastics, some movements were invented and some movements were eliminated, which is not normal, and it is the same in every country.