"Business secretary Peter Mandelson is slimed by an environmental protestor outside the Royal Society on Carlton House Terrace, Pall Mall after allegations of 'favours for friends' over the Heathrow third runway decision" [Courtesy of "Plane Stupid", via Wikimedia]
The very same companies that were supposed to maintain quality (again, not limited to Google with PageRank) are now actively participating in generating and spreading slop