In the past, some publishers intentionally spread the fake game, where there were annoyances, or limits in the game, there was one where it bugged out or something when you came to the endboss, etc. The weird thing about this is that the p2p community just went with it, and there wasn’t a correct version much later on. Everybody just shared the faulty game.
Newsflash: Humans also sacrifice pieces in chess. Chess engines are mathematical beasts that are designed for these things only. But what is more important: Chess engines also needs to be made by humans.
i did use dlc unlockers to play a multiplayer game, and nothing ever happened, and i uninstalled after i get bored with it. But it might not work on Stellaris.