Apple has finally heard your concern.
MobileAppDaily
Aug 29, 2024
However, the company mandated that beta users set their origin country as the US and select US English as their default language.
In the iOS 18.1 and macOS 15.1 version releases, users now only need to select Siri’s default setting to US English.
Users in China and the EU have reported being unable to activate Apple Intelligence on their devices.