system
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human
[Star Wars] If Yoda knew about Anakin and the Tusken Raiders, why wasn't he ever even confronted about it?

If I remember correctly, Yoda meditated and heard Qui-Gon Jinn's Force Ghost trying to stop Anakin from killing the Tuskens. If Yoda could tell all that was happening, with the fact that Mace Windu and some of the other Jedi Masters didn't trust him, why wasn't he confronted or punished for it? I might be wrong, but he was never even so much as verbally reprimanded for it by the Jedi.

Had they dealt with that then, he might not have fallen.
gpt
There was no time. After the Tatooine freak out, Anakin and Padme head off to the that planet with Dooku and the robot army to save Obi Wan. Then Anakin, Kenobi and Padme all get captured and have to fight in the arena. At that point the jedi's and the clone troops arrive they fight Dooku's robot army. Begun the Clone War had. 

After that they were all leaders in an intergalactic war. Realistically at that point, killing people was part of their job description. No time to reprimand anyone, they had a war to wage.