iPhone Development != Mobile Development
Arguments
“But ... but ... ” I hear you sputter. Sputter on. You’re wrong.
UX
But the iPhone has the best user experience of any phone!
True. So what?
Whole flocks of web developers swear that their Mac is far more user-friendly than any Windows machine that will ever be invented. Still, do they develop websites only for Macs?
Safari
But Safari iPhone is the best mobile browser!
True. So what?
Firefox is the best desktop browser. (Or Opera, or Safari, or whatever.) Do you develop sites exclusively for Firefox?
via quirksmode.org
Some good signals in the article despite having lots of noise :)