This was not only part of the administrative arrangement, but also intended to use zakko's skills to erect the statue of Birushana Buddha in Todai-ji Temple as well as to fake "chishiki (donation to build Buddhist temples and statues) (voluntary participation)" for building the Great Buddha, and some even go so far as to say that if the Great Buddha was completed by the delusive emancipation of zakko, the old regime was scheduled to be restore.
これは行政整理の一環であるとともに東大寺盧舎那仏像建立にあたって雑戸の技術力を利用すると同時に大仏建立の「知識（自発的参加）」の体裁を装うためのもの、極論としては欺瞞的な解放で大仏が完成すれば旧態に復する予定であったとする見解も有する。