Star Wars revealed that Yoda received a warning about Order 66 at the start of the Clone Wars, making it unclear why the Jedi Master chose to ignore it. Order 66 wiped out most of the Jedi Order, so if Yoda knew about it in advance, then he could have taken steps to make sure it didn't happen. The entire Star Wars saga would drastically change with this outcome, having the Jedi Order survive and the Sith defeated earlier in the timeline. From this point of view, it seems clear that Yoda should have listened to this warning, however, the situation was "much more complicated," as Qui-Gon Jinn would say.

Each era of Star Wars features a Jedi character burdened with knowledge of the future, and each situation always leads to a different outcome. Anakin Skywalker had visions of his loved ones dying, Luke Skywalker saw his friends in pain, and Rey...