China fortune-telling superstition? Or a science that people don't recognize?

China's fortune-telling, people who don't know it think it's superstitious, but people who know it are well-founded. The geomantic omen all over the world changes every 700 years, which is well founded. Confucius never objected to what he didn't understand, so many people are far behind now. I think it is wrong to deny what he doesn't understand based on his own thoughts and experiences.