It can be my point because I understood ZeroGravitas to be saying that the record labels did not sign on until after the original iPod was released, which of course is correct.
Your interpretation of his post seems to be that he was claiming that the record labels didn't sign on until after a USB iPod was released, and after iTunes became available for windows. But I have too much respect for ZeroGravitas to think that he was saying something that was not historically accurate.
Wikipedia says that the iTunes store was introduced April 29, 2003, and that the 3rd-generation iPods (the first with USB) were first available on April 28, 2003. Furthermore, iTunes for Windows was announced on October 16, 2003.
So when, in this timeline, do you think labels would have signed contracts allowing Apple to distribute their music? It would be incredible to think that they put pen to paper after the store was introduced, wouldn't it?