Managing a legally procured library of media. Piracy is not the only way to get digital music, movies, and books.

Export controls or legal compliance, most likely. Export controls because the code may be a protected technology, or compliance because the company doesn’t have gdpr or some other legal framework.

I just unplug the mouses USB from the PC and plug it back in after putting the PC to sleep. Et voila, pc no longer wakes from mouse.

REAR Relax-and-Recover will do entire system point-in-time snapshot backups to a bootable iso or physical USB thumb drive: https://relax-and-recover.org/rear-user-guide/index.html

I use rear for backing up my root, and Borg for packing up user data (for versioning, file recovery), but you can use rear for the entire system too.