If you have a multiplayer game and want to make some money from the streams, it would be smart to host your own tournament and sell ads through it rather than charging royalties. Otherwise, streamers are doing your product a huge favor through exposure.
Games like Dota2, Call of Duty, etc. require some strategy and will be a different experience each time (especially on multiplayers).
If you think about "Beyond two souls", well not that much.
On the other spectrum, you also have to consider copyright infringement and royalties as a problem on its own. Why should some individuals make money by reproducing the content (totally in some cases) without having to pay any royalties at all?
Am I allowed to stream the latest Star Wars with me in the corner making comments along?
Movie is passive and game is active, to some extent yes, but for how long can we disassociate both mediums in terms of IP?