With history, what's done is done, but I do believe in transparency, because there are actually various viewpoints that can be explored.
Yes, I believe ALL sides of the Holocaust should be taught because it wasn't as black and white and we make it.
There should also be transparency regarding the Civil War, because we still got plenty of people thinking it was about slavery when Lincoln wanted to keep the Union together at all cost.
Transparency regarding the Civil War, Reconstruction and the breakdown of it would give insight into the rise of Jim Crow and talk about the rise of the Civil Rights Era (but some things about that should be kept "in house," such as its failings)
And viewpoints do change but that change should not be forced or pushed because of your teachers political or social view, because that introduces biases one way or another.
And I agree 100% regarding Christopher Columbus but in my family and remnant of the community, I had "old heads" telling me to look at little deeper into it but with transparent history, we would have the complete picture.
And I don't use the term "woke" due to the fact that once it left "our" community, it took on a meaning far from its original intent and those that use it have no idea what it means and those that believe they are, aren't.