https://marco.org/2009/10/05/adobe-can-barely-write-objective-c-apps
Adobe can barely write Objective-C apps themselves. We’re still waiting for an update to CS4 that makes it not crash when you move the mouse too fast. You really want to trust them to manage your memory, translate your code and keep up with Apple’s SDK? Let me know how that works out for you.
— Jeff Rock: On Authoring iPhone Apps via Flash CS5 (Chartier beat me to quoting it)