Have you read your link? > Geographically, the Strait of Hormuz is clearly what’s called a ***transit passage***** strait**: it connects two open seas, has no alternative route, and is one of the busiest shipping lanes in the world. Under [transit passage rules](https://www.un.org/depts/los/convention_agreements/texts/unclos/unclos_e.pdf), other countries have an almost unrestricted right to sail and fly through. Iran can barely interfere at all.