The news comes as part of Cupertino's latest update to OSX Leopard, 10.5.6, which blocks connected iPhones from being put into DFU mode. Without that, there's no chance of getting your phone to play the way you want it.
Apple reckons this will bring an end to jailbreaking, meaning they can start selling SIM–free iPhones in more territories and make a bundle from legal downloads from the App Store. With more unlocked versions of the mobile appearing globally, this is doubtless their main motivation.
For now, crafty hackers are warning users of jailbroken iPhones to steer clear of the update. It's probably for the best, who wants a bricked iPhone anyway?
What do you think? Is Apple taking things too far? Or does this mean the dawn of legally unlocked iPhones everywhere?