I agree that associating with PUA is distasteful and an immediate fail, and have removed the link from the post. The link is here: http://lesswrong.com/lw/298/more_art_less_stink_taking_the_pu_out_of_pua
Social phenomena exist like anything else and can be analyzed, but how it is discussed matters almost entirely. It is a high-status behavior to make observations about social phenomena, but analysis sends a bad signal.
What do you call someone who generates positive externalities?