(remember he didn't want to allow any apps at all at first)
There's a big difference between shipping a simpler working product, and the delays caused by shipping a product with full developer APIs, financial channels to pay those developers, LAWYERS AND LEGAL BS, etc. Apple chose to ship a complete product as early as possible.
Recent research has tended to show that the Abominable No-Man is being replaced by the Prohibitive Procrastinator. -- C.N. Parkinson