Только глупец…
Новости, 7 января 2010 г.
R.L.Trask, Dictionary of English grammar:
It is a common error to suppose that a double negative is equivalent to a positive. For example, I didn’t see nobody plainly does not mean ‘I saw somebody’, and nobody but a fool would think that it does.
Хорошее уточнение в лингвистическом словаре.