"While I concede your point on the transcription of secrets, the last three example you give seem more like theft than the conscious act of writing. I do not contend that all knowledge should be given with impunity, or that one’s rightful thoughts are property of any who may take them, only that the destruction of a document does not equate to the destruction of an idea and that the destruction of an idea is a terrible thing to attempt in the first place. Sabotage lowers the tone of an argument, if nothing else.
"To the first: How many medicines might be bettered by those poisons, or never discovered for their absence? How many miraculous machines overlooked because their function is distantly derived from a weapon? There is certainly danger to knowledge, it would be naive to argue otherwise, but they are risks that must be taken if one wishes for other rewards. I myself am a scholar of the correspondence, but for all the harm it does me I do not regret what I have learned because I feel it is worth learning. By that token, I will teach others what I know so that others need suffer less for it. If there is anarchy, it is because there are anarchists, and if knowledge will further their cause then it will further other ones. Better ones."