Call me pedantic, but the usage of the term "zero-sum" in this article makes no sense. They use it synonymously with "winner-take-all" which is so far from it's original meaning that you have to question whether the author even knows what zero-sum means, or if they're just using the buzzword to attract clicks.
In fact, increased competition leads to reduced profits (at least in the short term), making this a "negative-sum" game.
In fact, increased competition leads to reduced profits (at least in the short term), making this a "negative-sum" game.