The article is subtitled "A Pedagogical Strategy for Taming the Chat Beast" and that gives a pretty good sense of his attitude toward chat. No chaos and disorder for him! "The sense of community and connectedness was overshadowed by frustration. I wanted to have the opportunity to interact with the students in a more spontaneous manner while still retaining some semblance of order that would replicate a seminar-type environment." Most of the suggestions have to do with keeping quiet when other people are talking and staying on topic. The thing is, though, chat is natively a multi-threaded environment (that is, people are used to conducting several conversations at the same time) and forcing it into a single thread makes it stiff and unnatural.