It would mean only pushing updates to some users and not others, which would have to be supported by the App Store. Unless you jerry-rigged some way of separati

It would mean only pushing updates to some users and not others, which would have to be supported by the App Store. Unless you jerry-rigged some way of separating your "updates" from the actual binary updates distributed by the app store, which, yes, would probably be more work than it's worth.