He advocated 'the theory of Hitomaro being exiled and dying by execution' suggesting that, although Hitomaro was a highly ranked official, he was involved in a political dispute and was executed, and that this was well known.
人麻呂は高官であったが政争に巻き込まれ処刑したとの「人麻呂流人刑死説」を唱え、話題となった。