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[Geminex]

I agree with most of what you've said, actually...

will hopefully just be told everything instead of just the good things and so they'll have a better and more nuanced understanding of history.

Except for this. I agree that this is what's good and necessary, but we'd need to go faaar into the future for that to happen, I think. There's bias everywhere. People will use bias for their own ends. I very much doubt that anyone, anywhere knows a fully unbiased version of history. The circumstances under which such a version of history could be taught to students is even more unlikely.