I like many of his points, but what's a well founded belief in aliens and conspiracy theories fit in to the dumbing down of society? Those are both critical subjects.
Culture is the culprit. Education destroys knowledge. Media destroys information. Government destroys freedom. Religion destroys spirituality. Overwhelming entertainment outlets destroys intellect.
So why has our culture been designed to gangbang our consciousness? Well, I don't want to sound like an idiot with any of my conspiracy theories...