That's why open ecosystem is a must, so you can easily migrate. Constantly repeated argument from Apple users is that Appstore/iMessage/iOS is closed/doesn't a

That's why open ecosystem is a must, so you can easily migrate. Constantly repeated argument from Apple users is that Appstore/iMessage/iOS is closed/doesn't allow sideloading/alternative clients in order to protect the users. Now you can see what happens if you put company in the position, where you have to spend thousands of dollars, multiple hours hours and lots of explaining to your friends in order to leave their walled garden.