>>How is it not illegal for the platform to force the use of their own payment service? Isn't this classic misuse of a monopoly? >It is not a monopoly a per law

>>How is it not illegal for the platform to force the use of their own payment service? Isn't this classic misuse of a monopoly? >It is not a monopoly a per law definition across most jurisdictions. It's not so relevant whether the stores are a monopoly or not. They're doing anticompetitive behaviour and misuse of market power, that's illegal regardless.