You only hurt ratings if you are signed up with Neilson. They don’t know what you watch if you are not submitting stuff to Neilson or have a Nielson monitor box.
http://en.wikipedia.org/wiki/Nielsen_ratings
Well, I’m in favor of not watching, anyway. Isn’t this day about bowing the knee to Obama? Isn’t it ironic that he’s substituting himself for MLK? The best thing I can do is to refuse to attend.