I thought the same, but players will probably push back and just don't sign up. You can't charge AAA prices for only streaming the game.
By the time we get there, AI can probably be able to recreate the game based on the video alone. I think we are already there, the fidelity of it might vary.
What will probably happen is that frontier models will lobotomize models to refuse reverse engineering. That will buy some time, however with open weight models, some will find the way to fine tune the models to support RE if magically everybody agrees on the consensus that RE should be blocked.