Mark Zuckerberg cares; It's literally preventing Facebook from dominated major markets like North America.Who cares. The world ex-us don't use iMessage. Even the US with 50% of population using android don't use iMessage.
iMessage is just irrelevant... Only ifans make a big deal out of it.
https://appleinsider.com/articles/1...g-services-takes-dig-at-apples-china-policies
And I think most here would admit Android is due for an iMessage equivalent.