TheMadScientist - 1:27 am on Mar 3, 2011 (gmt 0)
Actually, mosparrow, that's not what's being reported:
Sites that believe they have been adversely impacted by the change should be sure to extensively evaluate their site quality. In particular, itís important to note that low quality pages on one part of a site can impact the overall ranking of that site.
Emphasis Mine ... Link originally by Browsee [Thanks!]