As far as I know, Sean and Manyu Wang are two famous table tennis players. They once met in a competition and achieved good results. As for whether Manyu Wang's parents opposed Sean Xiao to replace Yu Man, I don't have relevant information, so I can't give an accurate answer.
It should be noted that these statements may be just some people's guesses or rumors, which have not been officially confirmed. Regarding the private life and family situation of athletes, we should respect their right to privacy and don't make guesses or comments easily.