 ::Oh I know that  has been a bit disagreeable in terms of his involvement on the Essjay controversy article but still it just seems odd to me to use article talk space to discuss user conduct.  I suppose it is arguable that utilizing an article's talk page towards limiting a disruptive user's conduct on the article coincides with trying to improve the article (per WP:TPG) but still it might be a good idea for such a thing to be spelled out.  