Why Does the U.S. Demand Innocent Passage in the South China Sea, But Not in the Persian Gulf?

https://www.lawfareblog.com/why-does-us-demand-innocent-passage-south-china-sea-not-persian-gulf?utm_source=The+Sinocism+China+Newsletter&utm_campaign=b039757ba7-Sinocism01_26_161_26_2016&utm_medium=email&utm_term=0_171f237867-b039757ba7-29615013&mc_cid=b039757ba7&mc_eid=5935182a65