Because you're a hack who doesn't want the country to know how the corrupt Justice Department violates the law and engages in prosecutorial misconduct every single day.
The same is sadly true of many other institutions.
If mass numbers with fealty to agency are pushing for someone or some admin's ouster, it should be considered a compliment.
They're corrupt.
While ideology incentivizes corruption, focusing on the former somewhat excuses the latter.
Ideology is not the only incentive.