What the fuck are you talking about with the injected FBI thing? You can inject files to ctrnand, but you can't sue nintendo for removing it from your nand as it is a proprietary medium that is not removable. On something like an sd card, nintendo can't remove user-placed files without their consent; therefore, they temporary replace arm9loaderhax(_si).bin on the sd card with an a9lh-removing payload, remove the ctrnand payload, and restore the arm9loaderhax(_si).bin that the user had placed, which is rendered useless by not having arm9loaderhax.