It’s all fun and games until said system is used against you either by hackers, insider with mallicious intent or the goverment.
Albeit said A.I systems could also be used to get rid of billionares by simply exposing tax loopholes, tracking illegal transactions and by finding answers from any leaked data which will be more plentiful when such systems gets in to place.
If you want to make a fan game, make spiritual sequel instead.
Nintendo can’t do much about games that are very similar to Mario, Zelda or Pokemon for as long as they do not copy any assets, (some) names or levels from those games. Based on the videos the main character is unique but most if not all the other art assets are direct copies from the original game.