This is flawed logic, which goes like: "The biggest economic problem we know about is the Great Depression. Policymakers know how to deal with that; therefore

This is flawed logic, which goes like: "The biggest economic problem we know about is the Great Depression. Policymakers know how to deal with that; therefore we are fine." Maybe the new global economy contains challenges which current policymakers don't know how to deal with. And if these challenges aren't met, we might end up with Great Depression effects, due to a different set of initial causes. Or, maybe everything will settle down in a week or two.