Piracy is legal according to the US (when the US does it):
With a massive numerical advantage in the Pacific, China's People's Liberation Army-Navy would present a potentially overwhelming challenge for American forces in the event of open war... but could a little-discussed concept from centuries ago help America overcome China's numerical advantage? Let's talk about issues Letters of Marque in the modern era... and why American pirates might not be as crazy as they seem. - Alex Rollings
TL,DR: Far-right jingoistic nutjob justifies US piracy.
Question: How would China counter this form of terrorism ?