According to wikipedia, worldwide servers, HQ in Dubai.

Honestly I doubt even delisting from the play/app stores will stop people from using it, at least on Android.

It would make it much more difficult for scammers to reach victims, and dramatically stem its growth, but that’s not really what I’m calling for. I’m mostly just hoping that the world includes these messaging services when thinking about how to address and regulate social media and extremism, rather than excluding them because they misclassify them as not being social networks.