If one of them changes their implementation, compatibility breaks.
And that’s why you want a healthy spread of users across both (and even a third one, one day) platforms.
That way they have to keep compatibility with each other to not lose a major share of the userbase
And that’s why you want a healthy spread of users across both (and even a third one, one day) platforms. That way they have to keep compatibility with each other to not lose a major share of the userbase