Epic also sued both Google and Apple in Australia, which is notably outside of CA.
https://www.reuters.com/legal/litigation/australia-court-rul...
I think the simpler answer is that Epic isn’t upset with the arrangement they have with Microsoft/Nintendo/Sony. They’ve done a better job cultivating a relationship with Epic than Apple has who seems to have only contempt for every other developer.
https://direct.playstation.com/en-gb/buy-consoles/playstatio...
https://www.amazon.co.uk/Ubcwin-Switch-Fortnite-Wildcat-Bund...