The problem in a nutshell is the assignment of quasi-public roles to private corporations. There's the public interest, and then there's a corporation's interes

The problem in a nutshell is the assignment of quasi-public roles to private corporations. There's the public interest, and then there's a corporation's interests. To make the two coincide, you need a fairly heavy regulatory regime, such as the one we use for private electric utility companies. If that's not present, it's inevitable that there will be a mismatch of expectations.