It must be depressing when capitalism fails you. They are the highest rated national morning sports show in the country. Apparently, there are significant numbers of people who disagree with your assessment.
They also aren't all that left either. As was said above, they are interested in generating numbers and like Tebow, Sam moves the needle. Its ESPN doing what ESPN has been doing for years. They aren't the home of Mel Kiper, Dick Vitale and never-ending reruns of Jim Valvano for nothing. They are a money making machine.
This logic also explains Joe Buck and every color commentator on American TV.