Oh, hell, just watch the Mother of all demos (1968): http://www.youtube.com/watch?v=JfIgzSoTMOs
It's not arrogant of him to think like this. It's more like Steve Jobs, circa 2006 thinking phones sucked and deciding to do something about it. Or maybe it's like Steve Ballmer thinking he could take over the phone market. I think it's too early to say for sure, but the early signs are promising.