That statement was a bit tongue-in-cheek. I assure you that I do not literally think he froths at the mouth like a rabid dog whenever the topic of social networks are brought up.
What we do know is that he has not had kind words for social networking in the past, and has no desire to be associated with them, according to his official website. Thus, I doubt Don would want to be included in Joe's social networking lyric change, which is the point I was trying to make.