The US already has a robust and diversified financial market and payments infrastructure
I heard that you folks up north still send written cheques via mail and sign little papers when use a credit card, doesn't sound very robust or diversified to me
Last I played (almost a year ago) this was also happening to me, I thought at the time that maybe I was just using a computer too underpowered to play it well
In a similar lawsuit against Apple, Epic lost on several claims though the game developer convinced a judge that the phone maker should loosen restrictions on payments through its app store.
If you are using steam, there's protondb, where you can check how well game runs on linux