Whitey - 11:16 am on Feb 29, 2012 (gmt 0)
'We often rearchitect or turn off parts of our scoring in order to keep our system maintainable, clean and understandable.
@Stever - This is the clue IMO. Something of low relevance that causes conflict with those objectives, and is done in an easier manner.
Could it have something to do within the promotion of Panda's capability? It understands context and the quality of a page sending a link, as well as the landing page and site of the one receiving it.