Good article at your link. The unelected controlling elements aren’t emergent, they are mature and well-developed. Institutionalized. Senior Executive Service exists to protect the bureaucracy from being controlled by elected officials. The system is a self-serving parasite. Well-armed and just as angry with the public as the public is, at it.
Right now the face appears to be DEM, but the bureaucracy is truly bipartisan, or as they prefer to claim, “nonpartisan.” Heh. They vote, they are partisan.