As an accumulation of national interests, a treaty is a disbanding thing if Member States consider that their national interests are being harmed. Result: a disunion.
Jacob Rees-Mogg, the Chairman of the European Research Group on the House of Commons, claimed that this treaty would make the UK a vassal state. It is difficult to not agree with him. The last treaties that gave jurisdiction to foreign courts were the aforementioned 19th-century treaties with China.