Is it reasonable to expect concrete examples of ephemeral decision making that happens within opaque organizations, given that the overwhelming majority are not

Is it reasonable to expect concrete examples of ephemeral decision making that happens within opaque organizations, given that the overwhelming majority are not held to explicit disclosure of their decision, let alone a verified paper trail held to such a rigorous standard to count for reasonable proof? The best you can hope for from a potential employer is to be told they hired someone else. The default experience in America seems to be that they'll simply ghost you.