AIs can't open source games, they can only assist in pirating them.
But pirates have historically done a pretty good job without AI.
Existing trends towards games with required online components, subscription-based content and microtransactions will no doubt continue, of course.
Not streaming, other than as an extra-cost option, because the margins on subscriptions and microtransactions are bound to be orders of magnitude higher while providing more value to the majority of players.