As of Pokémon Legends: Arceus, Gamefreak/TPCi/Nintendo have shown they have the capacity to validate savefiles that connect online, linking them to a specific Nintendo account. What this meant in Legends: Arceus is that publicly uploaded savefiles would block anyone else who attempted to use them online, (aside from the original Nintendo account associated with the savefile), from accessing any online features.  While we haven't yet had any reports of