Is it an invalid analogy, or do you just not get it? hm...
Let me ask you this: What does "fairness" have to do with advertising your political beliefs?
If you didn't buy time to advertise these beliefs on a program that did not invite you on to give them, then you are being more than gauche. An example is when an actor/producer/director/writer/composer accepts an award and then goes into some political rant. If the audience is lucky, they get the hook, otherwise, the audience is stuck suffering through a "personal political commercial" that was supposed to be "personal political commercial" free. Get the picture?