Hey man, I concede that this probably doesn't fit the legal definition of the mod. I said IP law is dubious because it's enforcement is entirely up the holder and it's strength can be... flexible depending on the money involved, even if something legally would fit that definition. I don't have a lot of experience with UE4, and I think if they can implement it in the way they plan, there's no real reason for EA/LucasArts/Disney/whoever the hell is in charge of this IP by now to C and D this since there's no new release to compete and it requires a purchase of the base game to play. (Piracy is still piracy and will happen regardless of this, and I don't really think this would increase or decrease the percentage, just the raw numbers). And regardless of all of that, I don't think this is a malicious action on their part.