Biden, a Catholic, is allowed to have beliefs different from the Pope's. Members of Falun Gong believe that the leader is a supernatural being who can read their minds.
Biden comes into this because he is Catholic and clearly does not have to do what the Pope tells him to do, nor does the Pope try to tell him what to do. This is not possible in Falun Gong, the Unification Church, and other cults.
https://www.abc.net.au/news/2020-07-21/inside-falun-gong-mas...