Having become a singularity of fate, Eida refrained from leaking information about Boruto and Kashin Koji. However, Sarada wasn't happy with this development and pushed Eida for more information.
Amado, as shown in the anime (Image via Studio Pierrot) In contrast, Kashin Koji, who was merely a tool created by Amado to end or delay Isshiki, somehow defied his fate of dying at Isshiki’s hands.