Welcoming explanations for how this is a good thing for Apple's end users.
Of course, if Adobe managed to improve this process, which they surely would have, then that argument goes.
I guess if these libraries contained a bug, then several apps would all have this bug, and Apple would get blamed, rather than the app writers. A bit of a stretch.
It is probably just wiggle room for Apple, so they can reject apps if they want to. Maybe.