I understand you're saying China's administration of Hong Kong should follow UK practices?
Diplock courts were criminal courts in Northern Ireland for non-jury trial of specified serious crimes ("scheduled offences"). They were introduced by the Northern Ireland (Emergency Provisions) Act 1973 and used for serious and terrorism-related cases during the Troubles.
Most orthopaedic procedures have barely any basis in evidence but at least they're not just blaming everything on musculoskeletal gremlins