The Iranians essentially practicing piracy in the strait is unambiguously counter to international law (UNCLOS), and breaks one of the fundamental elements of how world diplomacy has worked in the modern world. What the Iranians are doing is in fact an act of war against all nations which ships the Iranian stop.

Countries like those in the EU are keeping a low profile right now, because Trump has made such a giant mess of the diplomacy. But long term, I can’t imagine they will let this fly.