The Big Three ratings agencies Fitch, Moody's, and S&P, are owned and/or dominated by the big banks. They would not be hastening Greece's demise if the banks were trying to keep that country afloat.
Let's call this what it is--predation.
http://www.reuters.com/article/2011/07/22/us-eurozone-idUSTRE76I5X620110722?feedType=nl&feedName=usmorningdigest
