Technological paradigm shifts always require users to "take some steps" with you... The leap from Fax machines to Web pages required people to gain at least some technical understanding that they didn't have before. Simply obscuring it as "it's just a newspaper on a TV screen" might help at the beginning, but ultimately the training wheels have to come off. Here, what is the fundamental leap? Your identity is a key-pair, not something stored on Apple's server?