I also find this statement unusual but I can't really work out why.
Those programmes are all about froth and opinion, often (in my view) poorly informed opinion at that. It's disposable entertainment and the hosts are not held accountable for some of the stranger things said by their guests and those who phone in - as long as they publicly distance themselves from it. That's why you see them, on occasion, quickly apologise and move the discussion on,
Newspapers, on the other hand, are held to a high standard in law to make sure that they can verify what they say. Newspapers that pride themselves on being investigative invest a huge amount of money on their legal departments to make sure a story will stand up in court before it ever gets anywhere near being printed.
Hence the interest in the current court case...