I don't think rehashing the flash argument in terms of "it's a proprietary technology" is necessary. I'm writing this comment from my iPhone. I can't remember any time in the last 2 years I have needed Flash on this thing for something mission critical. If anything, I am annoyed by the numerous warnings from various sites that make popup alerts saying I need it. The only time it was annoying not to have it was trying to read various links here on HN that were from scribd. Now they have iPhone friendly versions of their documents and that grievance is gone.
So no, the iPhone doesn't need flash and I would disable it even were it available.
So no, the iPhone doesn't need flash and I would disable it even were it available.