they cannot “think of anything Trump could do, or fail to do,” that would make them disapprove of him.
Just give it a little more time. It's early yet and the Obama economy is still going strong. When it starts to hit them in their pocketbooks and there's no other place to point a finger...
They already know he's an idiot and a failure, but he's
their idiot and failure so they'll stick with him until the grits hits the pan. Then they'll drop him like a hot potato.