It can be inferred that the reason why he, as a civilian, could carry out strict punishment was his experiences in serving as a jo and suke to arrest offenders and to carry out affairs of trials.
文官でありながら厳しい処罰を実行できたのは、かつて尉・佐として実際に罪人の追捕や裁判の任務に携わっていた経験によるものと思われる。