The government is run by lobbyists.
The government employees are simply paper-pushers. They don’t need to know anything about their area of responsibility. In fact, job knowledge may be seen as a detriment because the bureaucrat may have “ideas” and may ask uncomfortable questions of the lobbyists. That would be ... awkward.
The government is run by lobbyists.
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And contractors who do most of the real work inside the agencies. Pull away contractor support and the government would collapse. Its really amazing how much the government totally relies on its contractor workforce.