That is not what Paul said, nor Microsoft. They simply did not comment on it. No carriers were announced that day. None.
The absence of a US carrier announcement is not evidence that they are "NOT coming to the US...". It just means there is nothing official.
I am confident that one or both of these are coming to the US. Indeed, everyone's favorite evleaks said so months ago. No one remembers "
Tesla" (ATT) and "Superman" (Verizon), both "mid range" Windows Phones with Update 1 on board? That's the Lumia 830.