Actually there are quite a few that do this. They have a ship to address in USA and cross over from Canada to pick up all there packages at one time.
That person didnt handle it properly and I can understand why you got confused.
Having said that I had a problem last week a with a Person in Spain registering as if there were in UK. This way they could bid on a item although I dont ship to Spain.
Now I didnt know that can do that. Got watch em