".
 
I'm not sure I get your point.  Readers of Wikipedia aren't required to be familiar with all of its policies and guidelines, and so it can't be assumed that they will know about the notability requirements, which are in fact only a guideline.  Moreover, there are plenty of organizations which don't go out of their way to publicize themselves yet are still notable, and aggrandizing connotates way more than just publicity.  Including 'self-aggrandizing' doesn't at all suggest that that's their primary motive.  As well, there could be notable trolls or notable trolling groups who don't self-aggrandize, and certainly not to the extent and in the joie de vire manner the GNAA does.  Indeed, many trolling groups and individuals try to obscure or hide the fact that they're trolls, which often makes their activities more successful. Therefore, phrase is clearly relevant and not POV. "