Arch Linux bears no responsibility at all. You are fully responsible for whatever usage of the emulators obtained from the official repositories or the Arch User Repository you make, as well as any legal repercussion that result. Consequently, Arch Linux does not distribute this copyrighted content, including game ROMs and ripped console BIOSs.
Warning: Owning a high-level emulator is legal, but distribution of any type of copyrighted ROMs and unauthorized emulation (without written permission of the copyright holder allowing the user to do so) are illegal.
