In January 2025, Guo Bin, the husband of former world champion table tennis player Wang Nan, became a topic of discussion after a comment he made during a live stream. He was criticized by netizens for "riding on someone else's coattails," "seeking attention," and "exploiting" the popularity of champions. Guo Bin and Wang Nan are known for being protective and generous. After the 2024 Olympics, they even gifted Sun Yingsha a three-kilogram pure gold medal. However, in 2025, they became the subject of online criticism. Guo Bin's mention of Sun Yingsha in his live streams began in November 2024, shortly after she had withdrawn from WTT competitions due to injury and was recuperating. Despite this, her "big brother" Guo Bin frequently brought her up in his live streams. As the husband of former national table tennis player Wang Nan, Guo Bin has always maintained a good relationship with Ma Long, Sun Yingsha, and Wang Chuqin. After the Olympics, the couple even custom-made three-kilogram pure gold medals for the three athletes, which impressed many netizens. From that point on, Guo Bin often mentioned Sun Yingsha and Wang Chuqin during his live streams, sometimes reminiscing about interesting events or sharing videos of Sun Yingsha training. Initially, people enjoyed listening to his stories, but as he continued to mention Sun Yingsha in every live stream, it gradually aroused the doubts of many viewers. Around November 8, 2024, Guo Bin once again mentioned Sun Yingsha's name during a live stream and tried to cover up by saying he wasn't "riding on her coattails." However,…