Is it though? Just before the Berlin Wall fell, I'm sure any journalist in East Germany would have said "the Stazi are necessary." This kind of comment is arguably a sign of #hypernormalization.
Having transparency about how the Police operate, or Crown Prosecutors, tells the people you're trying to go after for breaking criminal law how you're going to approach it. But this doesn't stop it being effective. A functioning democracy would never accept the cops or the courts operating in the opaque and mostly unaccountable way the secret police agencies do. #RobertSteele, author of the #OpenSourceEverythingManifesto, suggests a very different aproach to collecting national security data.