I'm Chuck Tarver the course instructor. I always feel it important to share my biases with my students. That way they can seek other sources of information and form their own opinions.
Radio is an old medium.
It is now more than 75 years old. If students are to fully understand the programming strategies of today, they need to understand what came before. Students should understand radio technology. Everyone is not going to be an engineer but there are some basics that anyone interested in radio needs to understand. As a result of these biases, I have not found a suitable textbook.