Mito Uzumaki had little affection for the Sage of Six Paths or his brother these days, even if they were her ancestors.
The Senju Clan and the Uchiha Clan were both descended from the Sage of Six Paths, and their feud seemed to have begun with a conflict between his two sons.
Mito even suspected that the family inheritance had been divided unfairly, setting the brothers against each other. She had no doubt the Sage of Six Paths could have stopped their fighting. He simply had not handled it properly.
The conflict between Asura and Indra had kept the Senju and Uchiha clans at war. Mito had witnessed the brutality of the Warring States Period firsthand; she was one of the few Ninja still alive from that era.
The Sage of Six Paths had let his sons' Chakra reincarnate and stir up trouble again and again. Mito saw no reason to think he could not have stopped it. Now one of them had reincarnated as Uchiha Yi. That had certainly made Yi's growth astonishingly fast, but it had also planted a ticking time bomb inside him.
The Sage of Six Paths' brother seemed to have some regard for family. He had even gone to the moon to keep their mother company, which made him look a little more decent than the Sage. But when Mito thought of his descendants secretly controlling the Shinobi World, she could no longer remain calm.
So the Sage of Six Paths and his brother were the greatest Masterminds in the Shinobi World after all.
Perhaps their mother, Kaguya Ōtsutsuki, had refused to join them and had even tried to stop them. That would explain why they had sealed her away so ruthlessly.
Of course, the Rabbit Goddess might not have been any better. Perhaps she