My only point was that the Democrats cannot just force Obama out as their standard bearer in 2012 - the blacks will stay home and they need that consticuency across the board or they will be obliterated in races up and down the ticket. My claim of death for the Democrat Party relates only to the 2012 elections, though it could hurt them far beyond that election if blacks are inclined to start looking around for ways to get off the Rat plantation.
I agree that dumping Obama would result in a considerable portion of the minority vote staying home.