Adolf Hitler said that particularly in the case of gigantic and outrageous lies, even after such a lie has been thoroughly and totally debunked, some part of it lives on, i.e. that the worst kinds of bullshit lies which there are in the world can never be totally killed off. That's why the theory of evolution is still with us and it's also the basis for the latest Nissan ad which is showing up on football games:
http://www.youtube.com/watch?v=dpeuvVdwlN0