Earlier quoted context omitted.
Why does international post TO China still cost so much then?
It's because when you ship internationally, you only pay for the domestic leg (e.g. in America) and not the terminal leg (e.g. in China). Your shipping costs to China cost so much because you have to pay the American rate, while people in China shipping to America have to pay the Chinese rate.
Every country has their own currency, and some currency is more expensive than other currency's, so 1 British pound can buy 1.2 US Dollars, 1.12 Euros, 161 Japanese Yens and so on. The British pound is also the oldest central bank currency in the world.
So when someone buys something made abroad, they are buying into Child Abuse and Slavery.
Unfortunately, our Govt's also force people into this situation by putting things like govt services online when considering how much of todays tech is made in country's with questionable legal frameworks.
And all the while is also draws attention away from the financial system that cant make its mind up, how its going to evolve to fulfil its social contract and obligations with the public because some people cant relinquish power masquerading as knowledge.
Its all chicken and egg situation stuff.