No the idea is that you forgot to deregister yourself while still on vacation and using a non-iPhone, the Apple Store bit was the "get a new iPhone" part after

No the idea is that you forgot to deregister yourself while still on vacation and using a non-iPhone, the Apple Store bit was the "get a new iPhone" part after your vacation is over. And what you link to is what I meant by > assuming you forget to go through Apple's iMessage deregistration system.