Elections belong to the people. It's their decision. If they decide to turn their back on the fire and burn their behinds, then they will just have to sit on their blisters.
What we should grasp, however, from the lessons of European history is that, first, there is nothing necessarily benevolent about programmes of European integration; second, the desire to achieve grand utopian plans often poses a grave threat to freedom; and third, European unity has been tried before, and the outcome was far from happy.