Not permitting the accused to know what they are being accused of is always done in bad faith.

If the accused were guilty, then they'd already know who the victim is and already know who the accuser is, so hiding the accuser does nothing. Hiding the accuser is only ""useful"" when the accused is actually innocent. The entire point of hiding the accuser is to deny the wrongfully accused of the opportunity to defend themselves. Such systems are weapons created by and for bureaucrats to cement their power.