Bangladesh, Feb. 4 -- The United Kingdom has long been a nation that prefers evolution over revolution. Even the seismic decision to leave the European Union-better known as Brexit-unfolded as a slow-burning crisis. Yet, despite the passage of five years since the official departure on January 31, 2020, the consequences of Brexit remain stark, particularly in economic and diplomatic terms.

Public sentiment in the UK is shifting. Increasing numbers of Britons regret Brexit, recognizing it as an act of political, economic, and social self-harm. However, there remains little political will to undo the damage, let alone to begin the conversation about potential reintegration into the EU. Labour leader and current Prime Minister Keir Starmer,...