This theory gained a considerable support in 1970's, however, the motives of the Emperor's family side and the time of emergence of the Fujiwara clan in the theory were not convincing, and therefore, it had lost its power.
この説は1970年代にかなりの支持を得たが、天皇家側の動機や藤原氏の台頭時期に疑問が投げられ、勢いを失った。