Need to check if all the technical aspects are accurate. For example, FIFA uses encryption keys for activation, and pirated keys might get flagged or blocked by updates. Also, the social aspects of gaming, like online multiplayer, depend on the game being legitimate. If a pirated copy can't connect, that's a realistic consequence.
EA uses these keys to ensure that game files are only read by the intended engine (Frostbite), preventing easy alteration that could impact online competitive balance. Key Resources for Further Reading What Is An Encryption Key? | Data Education Center - IRI fifa 20 encryption key