In the real life (instead of the heads of famous youtubers), piracy is fought on each country, by the local country. That's agreed upon by almost every country on the world, and the ones that don't agree or don't hold their part are cut from the global economy.

Despite what a famous youtuber like to preach, the US participation is on the US and very few countries that explicitly call for help. And when countries need help, it's not usually the US that they ask first.