Epic’s money-maker, Fortnite, is free to play. The company makes most of its revenue from in-game purchases, like skins and weapons. Epic also empowers gamers to create their own content, such as in-game island experiences, and shares revenue with those creators in a variety of programs. The issue, it seems, is that gamers are spending more time with creator content than Epic content.
Source: Epic blames layoffs on low creator margins — what does that mean for the rest of entertainment?