He was examining a system with flaws in it, and was told he can't talk about the flaws. I guess that attack lawyers are cheaper than good engineers. That's another point, don't make the mistake of thinking that you are the customer of the radio station, you aren't, you are the product. Their customers are the advertising companies, and they know it . Enough for now, suffice it to say that things are starting to get really interesting.
Cryptography is in many ways, the revolution of today.
It is the chance to fight against tyranny before we have to fight with bullets. But leviathan is watching, and big brother knows that strong cryptography in the hands of the average citizen is bad news for tyranny.