The problem wasn't that the facts you describe were accurate or not. They did not censor the text for its truth or accuracy. They raised the abstraction a bit

The problem wasn't that the facts you describe were accurate or not. They did not censor the text for its truth or accuracy. They raised the abstraction a bit and categorized it as "hate speech". And then they censored it for this reason that has nothing to do with historical truth or the level yourself analyzed the text.