You are so completely wrong on this. Leopard (which is what iPhone is running) DOES support multitouch. In case you missed it, the latest Macbooks now have multitouch trackpads to slowly ease people into the feel of multitouch on a Macbook. Transfering those gestures from trackpad to screen is not that big of a leap (it's all already built into Leopard which you would have known if you did your research.) And still no stylus needed...
I agree with all your points except to say the iPhone runs "iPhone OS" or "OS X" not leopard. basically is is a stripped down "OS X" yes but not leopard.
The stylus people need to stop using windows mobile it sucks.