Rush understands reality. In order to keep his audience with him, he has to go and play an unexpected card now and again. Limbaugh's job is "showman", and he's good at it.
So, Professor, it's time to look at your competition, and figure out how to use this inconvenient truth about "news" and "promotion".
Why don’t you re-read the article, have another sip and then comment. Just a suggestion, peace.