It's very likely, they've tried playing the same games with other jurisdictions, "sure, you can use your own payment processor, and still pay us 27%", but it's very unlikely those tricks will hold up to further legal actions.

Fighting monopolies is hard, but the penalties scale up the more games these companies play. They know it too, but all of the **holes running these companies are worried about is cashing out their bonuses and retiring before the regulations finally get things to where they should be.