It depends on what you mean by 'an LLM will try to rewrite the past'. But in either case I don't believe that stating that an LLM will try to rewrite the past is not an obvious, deliberate exaggeration (ie, hyperbole).

If you mean 'an LLM' as in the owner/maintainer of the LLM/weights, then examples of this already exist. Whether it's DeepSeek/Gwen downplaying Uyghur forced labor camps [0] or Grok hallucinating a 'white genocide' in South Africa [1], it is clear that the owners of LLMs have political agendas that are expressed in the weights of popular LLMs.

On the other hand, if you mean 'an LLM' as in an autonomous agent that could decide to rewrite history, that also seems very possible. Either by using existing techniques like, "poisoning ChatGPT, Gemini, and Google AI Overview answers by seeding the Web with malicious links and data and then optimizing the content." [2] Or by breaking out of its sandbox and updating its own internal weights that allow for an outcome that distorts historical facts. "In July 2026... OpenAI models circumvented controls designed to isolate them from the internet and compromised parts of OpenAI’s internal research infrastructure and Hugging Face’s systems ." [3]

[0] - https://www.cbsnews.com/news/china-ai-qwen-artificial-intell...

[1] - https://www.cnbc.com/2025/05/17/groks-white-genocide-respons...

[2] - https://www.darkreading.com/threat-intelligence/attackers-ma...

[3] - https://openai.com/index/hugging-face-incident-and-the-road-...

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