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I don't think that is unexpected though .. an "everything app" / superapp would likely have a payment method that is borderless / global.
A pitch deck shown to investors earlier this year outlined Musk’s vision for Twitter, including adding PayPal-style payments between users and cutting back on advertising in favour of charging some users a subscription. He projected that more than 100 million users would sign up to an X subscription by 2028.
'A pretty grand vision': Elon Musk's 'everything app' plan for Twitter rekindles dotcom dream https://financialpost.com/technology/elon-musk-everything-app-twitter
Not everyone is a fan:
Just because a corporation “can” create such an entity, doesn’t necessarily mean it “should.” Once upon a time, long long ago, we had anti-trust legislation and a justice department that would enforce it.