Because Republicans really have moved to the center on economic issues. The ideological "movement" strain of conservatism no longer has much sway.
You no longer hear Republicans talk about Medicare or Social Security privatization, Obamacare repeal, Dodd-Frank repeal, etc because they've moderated on the free market idealism.
You no longer hear Republicans talk about Medicare or Social Security privatization, Obamacare repeal, Dodd-Frank repeal, etc because they've moderated on the free market idealism.