Yoshihiko AMINO described these 'akuto' as bearers of the distribution and capital economy, which developed rapidly from the mid-13th century, and as one of the main constituents opening the way for a new phase in medieval society.
網野善彦は、これらの「悪党」が13世紀半ばから急速な成長を見せた流通経済・資本経済の担い手であり、中世社会の新たな段階を切り開いた主体の一つと説いた。