[zepto]

Your standard can never be met. Even if no changes were made after the sale, no human can fully predict the behavior of even an open source modern operating system, let alone a closed source one.

But I disagree that people weren’t informed. It is common knowledge and widely advertised that Apple issues software updates, and it is widely known that Apple enforces its store rules.

The information about what changes could be made and by whom was readily available to purchasers.