We can solve "don't legally have to" by clarifying that they will "legally have to." As for the rest, if they want to run retail in the United States, they will

We can solve "don't legally have to" by clarifying that they will "legally have to." As for the rest, if they want to run retail in the United States, they will comply or they will not retail in the United States. I bet they actually want Americans to be able to walk into retail stores and shop. You can't outsource that job.