I completely disagree. In this case, it is clear there wouldn‘t be a reprisal but in many case law enforcement agents and prosecution teams get involved in might involve serious reprisal threat for them or their loved ones. Their names should never be revealed.
I think you possibly haven't read very many court documents. When these cases actually get tried much of this becomes public anyways. In particular this document details agents Mitnick _himself_ spoke with. Are you really suggesting their redactions here are to prevent reprisals? How could that possibly work?