No, you are wrong. Pthth

Personally, I would prefer that they don't hardwire one in and instead make it a card or slot radio device you can plug in, so that you can upgrade from one wireless generation to the next or so that you can go from one TelCo to another. A SIM card isn't enough--not every TelCo uses the same radio standards and a SIM card doesn't let you go from, say EDGE to G3. You would need a whole new device if it's integrated.

Myself, I'd rather tether over Bluetooth and use a PHONE form factor for talking on a phone. (Although BT earphones/headphones resolves that as well.) But the important thing to me if not getting stuck with a component of my device that I can't use.