Trolls R Us redux [Now the argument clinic]

And where exactly did you see these examples?

Or maybe the teaching about slavery and racism was deliberately sanitised and misleading, as the examples in this thread already substantially demonstrated.

This is like us complaining about schools teaching that the Earth is flat and you saying “Look, maybe the teaching wasn’t adequate but kids were taught about geography”. If the kids are coming away not only ignorant but actively misinformed, that’s a bad thing.