Probably not. But it would be good to hold an agency to account. If discovery can lead to showing they indeed knew, it will be even better if the fbi would have to explain their choice in prosecution (or pack there of).
I would expect each decision to be well motivated, this is not the case currently… but maybe this can help on the path to transparency.
It is more than unfortunate that it would take these kind of abuses to go ignored before people demand change.