How much bullshit!
If you try to sell to China, Australia, UUSS and Colombia and Russia for example, you also need to comply with the regulations of each of those countries (and pay Tarifs in some).
To ease the collaboration between humans the European Union was created. But the European Union is not a country. Is the earth only collection of countries that agree to collaborate together to levels no other countries have in the world History.
It's success is so big, that people expects to act as an independent country, and complain when discovering Europe is indeed several countries. WTF!