None of this is relevant to the argument above. There is no reason to believe these archives are equivalent to Shakespeare even if one were to agree with you that Shakespeare is that important to read.
> An LLM can teach you nothing that really counts.
Nothing you wrote supports that argument.
None of us can read everything. None of us can even read every novel published in a single month. So we filter. One way an LLM can teach you is as an excellent way of filtering information and give you a chance to read what really counts.