It's definitely not pointless. Consider this: the Eurozone is a monetary union without a fiscal or political union. Its monetary policy is effectively controlle

It's definitely not pointless. Consider this: the Eurozone is a monetary union without a fiscal or political union. Its monetary policy is effectively controlled by the biggest economies, particularly Germany. However, countries have drastically different monetary goals, as can be sharply seen in times of crisis, such as the sovereign debt crisis in the 2010s. It's fundamentally impossible to satisfy the goals of Germany and Greece, for example, with a unified currency but no fiscal union (and of course, with no democratic governance).