I can see the theory, but I don't think it's true in practice. First, the USPS withdrawal from the UPU was announced in October 2018, which I think predates mo

I can see the theory, but I don't think it's true in practice. First, the USPS withdrawal from the UPU was announced in October 2018, which I think predates most of the tariffs: https://www.lawfareblog.com/withdrawal-universal-postal-union-guide-perplexed https://www.lawfareblog.com/withdrawal-universal-postal-unio... Second, China is already paying for the cost of shipping the item to the US shores. The change affects how much the the USPS charges for the final delivery once it arrives here.