Sure, but they do that anyways, and it's not like holding the documents in secrecy is somehow crippling the ability of bad-faith actors to act in bad faith. If

Sure, but they do that anyways, and it's not like holding the documents in secrecy is somehow crippling the ability of bad-faith actors to act in bad faith. If anything, it allows them to claim things _without_ good faith actors being able to scrutinize their claims.