Actually it has to do with how international shipping rates are arbitrarily set by committee every 4 years. Here’s a planet money episode on the topic. https:

Actually it has to do with how international shipping rates are arbitrarily set by committee every 4 years. Here’s a planet money episode on the topic. https://www.npr.org/sections/money/2018/08/01/634737852/episode-857-the-postal-illuminati https://www.npr.org/sections/money/2018/08/01/634737852/epis...