I'm guessing it's a C&D because he documented himself making an illegal copy of the software and showed it running the code. Maybe be a bit more discreet about stuff like that (like not putting it into the manufacturers subforum that they regularly look at)
It's kinda like an emulator. They're totally legal, but they don't come with the original BIOS that you "supply yourself". That's when you enter blatant copyright infringement...
It's ok to back up copyrighted digital media you own but not to share it.