I have understood that Whatsapp is not a terribly profitable product for Meta, so it is possible that it would just be withdrawn from Europe, instead of making

I have understood that Whatsapp is not a terribly profitable product for Meta, so it is possible that it would just be withdrawn from Europe, instead of making expensive and controversial modifications. iMessage is not really a thing in Europe. Apple phones are simply not popular enough here for it to be an useful feature. I guess Apple would just disable it for European users.