As you know, his "Jefferson Lies" turned out to be aptly named: they turned out to be a collection of David Barton's own lies about Jefferson.

In that day and age, before the discovery of Evolution, it took a lot of guts and mental rigor to arrive at a non-theistic conclusion. If you look closer, I did not equate religiosity with idiocy, but rather I said their stance on the god stuff showed their mental acuity.