According to Rush that 100 is across all 600 radio stations which have more than 18,000 advertisers between them. Not even a drop in the bucket and those 100 have already been replaced.
When I was growing up and being raised a staunch Boston Jewish Liberal, I began to question that cult's assumptions. In return I was always personally attacked. Never a real counter-argument. Liberals/Marxists know they can never win an argument on fact. That we have allowed them to run rampant with personal attacks instead since 1964 is our shame.