Anyway zombie ideas can be found on both sides. "Trickle down economics" never worked but it continues in the Bush/Obama tax shift. Americans rejected Obamacare when it was called Hillary's Plan, and before that Clintoncare; the only place it was ever accepted was Massachusetts where it was called Romneycare, but it's national now. Ideas that serve a particular constituency or lobby (e.g. the 1%, or the medical-industrial complex) have a life force separate from the merit of the idea itself, so no matter how many times the idea gets shot down, those who stand to profit from it keep raising it up again.