it doesn't have to better, it has to be good enough, which is the point the OP was trying to make. There are some things about Android that are better and there are some things about iOS that are better. Intents were a thing that has been better in the past on Android (by virtue of not existing on iOS), and a reason that some people have stuck with Android even though they might prefer iOS for a lot of things.

If the extensions stuff is "good enough" for the reasons people like intents, then that could easily be enough for people to switch from Android to iOS assuming they like iOS better overall.