I think we can probably agree that if the access is available but carefully guarded, a clever and patient black-hat could make use of their access to get the da

I think we can probably agree that if the access is available but carefully guarded, a clever and patient black-hat could make use of their access to get the data they want; but the white-hat who just wants to do their job gets blocked. While it's not the only valid choice, it strikes me as reasonable to just grant access and impress upon everyone the incredible responsibility they now have not to do unethical things.