I don't understand the point of this article. It sounds like the problem has nothing to do with the Nexus One, and everything to do with limitations in the TMo

I don't understand the point of this article. It sounds like the problem has nothing to do with the Nexus One, and everything to do with limitations in the TMobile pre-paid plans. Wouldn't he have the same problems trying to use Google Voice on any phone while using the TMobile pre-paid plans?