I've made a career in sales, marketing and psychology...these folks freak me out.
From what I've seen, Beck's another mass-media sorcerer, like O'Reilly, Hannity, Maddow and Alex Jones.
These people connect on a basic concept ("Pro-2a!") to draw a wide audience. After that, comes a revisionist history, black-and-white thinking, heavy emotion, and identifying a villain with a call to action.
Regardless of whether you agree with the initial point, you'll buy into a bunch of BS and get steered toward someone else's agenda. This format is destroying Americans' ability to reason, debate and ultimately remain free.
Not a fan.