It’s abusing the definition of monopoly. There isn’t a single super-dominant games company choking out competition. In fact, companies steal each others’ lunch all the time; Fortnite surpassed PUBG, Cities Skylines from a small Finnish dev surpassed EA’s SimCity, and Stardew Valley was created by a single developer who surpassed Harvest Moon before him.

Monopoly doesn’t just mean “this company is bigger than I’d like.”