There were no gods in this world to begin with. People were only called gods because they had accomplished things ordinary humans could not.
Take the Sage of Six Paths, for example. He had saved humanity from a terrifying demon and then shared chakra with everyone, which was why they all called him the Sage of Six Paths.
The First, Hashirama Senju, was regarded as the man who had brought peace to a war-torn era, and many called him the God of Shinobi.
The Sage of Six Paths and Hashirama Senju naturally deserved to be called gods.
Hanzō, however, fell far short. Within the Land of Rain, he certainly deserved the title of Demigod. He had ended its wars and given a small country like the Land of Rain the chance to stand on its own. Unfortunately, Hanzō was still not strong enough, and the Land of Rain was far too weak. Otherwise, it might truly have posed a threat to the Five Great Nations.
Hiruzen Sarutobi was utterly furious now. Why did daimyo even exist? These bastards were nothing but troublemakers in the shinobi world. He even suspected that the daimyo had sown discord and driven Madara Uchiha to leave Konoha back then. Otherwise, with Madara Uchiha and the First on such good terms, how could they possibly have parted ways?
After all, quite a few people in Konoha had said at the time that the First intended to pass the position of Hokage to Madara Uchiha.
Hiruzen Sarutobi simply could not imagine why Madara Uchiha had left Konoha.
Tobirama Senju: Didn't see that coming, did you? That's right—it was me!
Utatane Koharu sighed helplessly. Soon, she composed herself and looked steadily at Hiruzen Sarutobi as she asked, "Mitokado Homura is gravely injured now. Forget continuing as a ninja—he'll