If the FBI had a shred of reputation left this might matter, but it doesn't

Petraeus appointment could rankle wary FBI

​More below.

Comey ensured that the FBI's reputation would be totally destroyed after the way he botched Hillary's email investigation. His findings were shocking. No average citizen would have had the same result. And from the standpoint of the republic, this was a disaster. 

"No republic can stand if there is even one powerful person the justice system fears to indict, and try before a jury of her peers.

"Classical republican writers maintained that to be free means to not be dominated--that is, not to be dependent on the arbitrary will of other individuals. The source of this interpretation of political liberty was the principle of Roman law that defines the status of a free person as not being subject to the arbitrary will of another person--in contrast to a slave, who is dependent on another person's will. As the individual is free when he or she has legal and political rights, so a people or a city is free insofar as it lives under its own laws. [...] 

Classical republican theorists also stressed that the constraint that fair laws impose on an individual's choices is not a restriction of liberty but an essential element of political liberty itself. They also believed that restrictions imposed by the law on the actions of rulers as well as of ordinary citizens are the only valid shield against coercion on the part of any person or persons. Machiavelli forcefully expressed this belief in his Discourses on Livy (I.29), when he wrote that if there is even one citizen whom the magistrates fear and who has the power to break the law, then the entire city cannot be said to be free. It can be said to be free only when its laws and constitutional orders effectively restrain the arrogance of nobles and the licentiousness of the people."

Republicanism, by Viroli
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The Republic has fallen

The FBI conformed itself to lapdog of the Obama administration, and to the powerful Hillary Clinton, and, thus, destroyed its reputation. This also points out the great problem in American politics, and criminal justice, the fact that the wealthy are able to skirt justice on a whim. 

Republican governance requires this not happen.