Every company who takes a cut from in-app purchases, be it subscriptions or DLC, should be kneecapped by this ruling.

It’s one thing for the hosting marketplace (App Store, Steam, Play Store, etc) to take a cut from the initial purchase of a game/app. But it’s a whole other issue for that initial marketplace to keep reaching further into the dev’s pockets and take a cut from in-app purchases unrelated to where it was originally obtained.