The bakufu might have had no choice but to turn blind eyes to the unlawful furiuti because strict control over the unlawful furiuri would result in inconvenient life of samurai society as well as commoners and the bakufu did not have enough manpower to catch every lawful furiuri in Edo.
だが、それを強烈に取り締まると、庶民はおろか武士階級の暮らしも非常に不便になるし、さらに幕府には江戸市中の違法な振売を片っ端から捕まえるだけのマンパワーもなく、見て見ぬフリをするしかなかったのだろう。