The veterans definitely know the score though...AND you don't get into any kind of leadership position without being pure evil.
The rookies get vetted, and if they are willing to become "blackmailable" they can be promoted, otherwise they get "primary-ed" out, or become pariahs that almost no one talks to (like Ron Paul used to be.)
RE: What the "swamp" and "deep state" are not... (but what you desperately must be kept from ever knowing.)