A zero sum game is by definition a game where one party’s loss is another’s gain. That covers “winner take all” situations, or purely competitive situations.

A zero sum game is by definition a game where one party’s loss is another’s gain. That covers “winner take all” situations, or purely competitive situations. The article’s overall point is that more streaming services can lead to more people paying for streaming services in general, enlarging the overall revenues in the segment than would otherwise be there without the new entrants. Most folks aren’t unsubscribing from Netflix or Hulu for Disney+. They’re spending more on streaming and less on Fortnite or iPad games, or a night at the pub. This may also accelerate the decline in cable/satellite over time, but even that will be sticky since they will find ways to stay relevant.