I disagree; indeed, I think the idea that cryptography and security can be flawed-but-useful is itself naïve. If something is breakable, it will be broken; that's why we need to be using the best possible security protocols and standards.
> For example: Compromised root CAs have not been found to be used by criminal gangs in bank phishing schemes.
They've not been found, which means neither that they've never existed nor that they never will exist.