Rather than explicitly banning Valleywag or other particular sources, it might be more useful if PG can leverage his influence in this community by adding to th

Rather than explicitly banning Valleywag or other particular sources, it might be more useful if PG can leverage his influence in this community by adding to the posting etiquette thread from a few weeks ago (right after the rush caused by TC) regarding the type of content that is the aim/target of this space. A simple disapproval/opinion by PG should weed out 80-90% of these posts from getting generated.