Not at all. If you have many arguments, it is useful to reduce the number of them that are invalid and increase the number that are valid.
Why did you assume that "he's mostly on the right side on this one" meant that he has one "almost correct" argument, rather than meaning that most of his arguments are sound?
Because I know that most of his arguments are not sound, and I tend to assume that the people I'm speaking with are familiar with basic realities of the topic. So that interpretation is ruled out.
Bloggingheads.tv can't exactly call up, say, the President of France and get him to do a diavlog, but they have some street cred with mid-rank celebrities and academics. With that in mind, how would you fill in this blank?
"I would really love to see a diavlog between Yudkowsky and ____________."