We can't let these people forget what a huge mistake they've made because we absolutely need all of them to do the right thing in November of 2010 in the congressional, senate, and other races then. The reason Obama can do so much damage is because both houses are marching in lockstep with him.
The handful of thinking people who were duped may be having buyer's remorse but the legions of blind emotional followers will not be swayed by mere facts.