the answer is simple.
the democrat strategic powers determined that the FBI leadership was a good place to insert and in effect hide their subversive apparachicks. The ordinary rank and file need not know what happens in the offices at the end of the hall.
I’ve heard the 7th floor mentioned. I can visualize the subversives occupying one wing of 7th floor offices. Out of sight out of mind
If the F_I were for Republicans, they’d have to be more efficient & accountable.
Why would they support that???