Apple is a private company that answers to shareholders. The DoD is a government department that used to answer to the people.
If your answer is "the government", then every cover up will never be revealed, and the government will answer to no one.
If your answer is "journalists", then you have the status-quo in any functioning democracy.
And when it actually moves into sedition territory, that's what an independent court system is for.
Unfortunately, once things devolve into a two-party system, it becomes ever increasingly difficult to keep the various branches independent.
Moving on to a new version is to waste your own intelligence in reactionary sentence creation.