"Truth is one; the sages just speak of it in different ways."
Strawmen, I say. The proper attack against voting is more penetrating then the sophistry of economists: http://charltonteaching.blogspot.com/2012/11/what-does-it-mean-to-say-i-am-against.html
I assume he just convinced himself that his blog post was true, even though it was patently false. But it was rational for him to write it, after convincing himself that false was true.(See what I did there?)