Board Thread:Naruto Gaiden/@comment-12509038-20150702050604/@comment-25402783-20150702072654

A True Sage wrote: Participated in numerous inhuman experiments and imprisonment of shinobi alongside Orochimaru; guilty of murder, not even counting the lives lost in the Fourth Shinobi World War; notorious user of the forbidden Edo Tensei jutsu, forcing poor deceased ninja to return and combat their allies; attempted murder of a child, bringing twelve-year old Naruto to the very brink of death.

"You wanna be the caregiver of Konoha's orphans? Hm... alrighty, that works, I reckon." There were Nazi generals responsible for tens of thousands of American, British, Canadian, Russian, and French deaths but were given full pardons. Kabuto helped save Sasuke and by extension helped save the world.

I'm not 100% onboard with it either, but I'm just putting it in perspective.