In this very expansion we had an entire zone dedicated to the story of a population struggling with the collapse of their worldview and several horrible truths. Efforts were extended to grant them empathy and assistance at every turn. Some of them, before our eyes, chose self-destruction and death out of despair - this is more direct evidence about a "bad reaction" than Venat ever had in regards to her conviction to bar information about the Final Days and the universe at large from the Ancients, but we didn't decide based on that the Garleans could never change and slaughter them all either.