The high court ruled last week that the British government’s proscription of Palestine Action is unlawful and disproportionate. Its judgment, however, is hardly one in praise of militant protest. That makes it all the more awkward for ministers. The bench rejected Palestine Action’s claim that it was engaged in Gandhian civil disobedience. The judges also accepted that a number of incidents involved serious property damage that technically satisfied the statutory definition of terrorism. But they were clear and correct: the existing criminal law “is available to prosecute those concerned”. This judicial distinction between terror and crime matters – and is...