Why go on people's word when the evidence is right there! There were public keys used for encryption in the Sony hacks that were reused from other attacks years

Why go on people's word when the evidence is right there! There were public keys used for encryption in the Sony hacks that were reused from other attacks years before. Also, Operation Blockbuster was a joint action, taken on by Novetta, Kaspersky Lab, Symantec, and others