When AI approximates Machine Intelligence, then many online and computer-run RPGs will move towards actual RPG activity. Nonetheless, that will not replace the experience of 'being there,' any more than seeing a theatrical motion picture can replace the stage play.
Some of the roots of role-playing games (RPGs) are grounded in clinical and academic role assumption and role-playing exercises.
Send anyone claiming that their RPG activity is an art form my way, and I'll gladly stick a pin in their head and deflate it just to have the satisfaction of the popping sound that makes. One might play a game artfully, but that makes neither the game nor its play art.