Some modern researchers, however, have begun to cast doubt on the introduction of Chinese martial arts by the latter group, as it has become widely known, due to the dissemination of books and videos about Chinese martial arts, that the martial arts they introduced to Okinawa don't resemble Chinese martial arts very much, and because prototype Chinese martial arts weren't identified despite several dispatches of investigative teams from Japan to China after the normalization of diplomatic relations between the two countries.
もっとも、日中国交回復後、日本から何度も現地へ調査団が派遣されたが源流武術が特定できず、また中国武術についての書籍や動画が出回るにつれ、彼らが伝えた武術と中国武術とはあまり似ていないという事実が知られるようになると、近年では研究者の間で彼らの伝系を疑問視する声も出てきている。