Financial constraints to living & working in Washington, D.C. likely define & reinforce the community of people able to stay long enough to achieve senior positions, leading to a policy-making community distinct from the American public.
https://sheril.substack.com/p/left-out-of-the-room-where-it-happens #politics
So what? "Misperceptions & blind spots among decision makers may occur, in part, because their lived experiences primarily reflect those from communities with the resources required to maintain influential roles."