From March, Apple iPhone users will finally be able to download apps from sources outside the App Store. However, Apple is restricting the range of apps available in other stores and imposing fees that may simply be too high for some developers.https://www.notebookcheck.net/Apple-introduces-high-fees-for-iPhone-apps-and-alternative-app-stores-reaping-harsh-criticism-from-developers.797229.0.html
Not to mention open source apps. You remember open source, right notebookcheck?
many devs now created a calendar event to remove their app from EU market by March or raise prices
"although his company is currently embroiled in a legal dispute against Apple in order to try overturn the latter's App Store monopoly"
His company already lost the court case and got refusal to appeal, now Epic owes Apple millions because of him. No wonder he is acting like a pissed girl. Looks like kids will have to pay more for Fortnite lootboxes now to compensate Epic his failed legal endeavours.