It's not yearning for Empire it's yearning for the same situation as the vast majority of countries in the world. Our membership of the EU is not 'free'. If we don't like our Government we can vote them out if we don't like the direction the EU is taking what can we do?
And some EU countries have record unemployment and terrible growth so how do you show what bit is down to EU membership?
Are we going to try and be like those brilliant economies Brazil and India? They are a reasonably comparable side to us and look at how they fare. I wouldn't want to be anyone other than rich in those.