Fannie Mae-No Politics (FNMA)

[Digra Ive]

Market Realist By Brent Nyitray, CFA, MBA - they replaced Carney.
They have no shame to come and blame FNMA for :
http://finance.yahoo.com/news/ginnie-mae-tbas-outperform-fannie-120537599.html

The biggest difference between a Fannie Mae MBS (mortgage-backed security) and a Ginnie Mae MBS is that Ginnies have an explicit guarantee from the federal government. Fannies don’t have a guarantee—just a “wink-wink, nudge-nudge” guarantee. As a result, a Ginnie Mae MBS trades at a premium compared to a Fannie Mae TBA.

Ripping all profit with no leaving "a single penny" on GSE accounts?
How can FNMA provide guaranties for loans without to be able to save generated money ?