= new reply since forum marked as read
It sounds like you have bracketed the type of host you prefer, literally somewhere between the "goofy/silly" Stephanie Miller to the "grouchy" Joe Madison. 
I expect one of the main reasons why he is the way he is (other than keeping the callers moving because there are people who will go on and on and on and other callers won't be able to get through) is because so much of the "cultural conditioning" over the past century or so, essentially labeled black men as "step 'n 'fetchits" who would go around "shucking and jiving" like some clown, and laughing and joking, always with a "grin" on their face, so I think he tries to halt that imagery right in its tracks. As he says - his is not the "Morning Zoo" or "Breakfast Club" type of show, because really, that is what he is competing against in that 6am - 10am time slot in radio world (e.g. Tom Joyner). I know that Mark Thompson used to be on in the afternoon drive slot (and then to the 6 pm slot) but Progress moved him up against Joe Madison in the morning for some reason. I miss Bill Press in that slot.
If you ever listen to Karen Hunter in the afternoon, she does some royal slicing and dicing of callers too.
(maybe because like Joy Reid, she is a fast talker
)
150 years old, and I'm sure if I looked I could find even more apt ones from Plato's time and before.
Back to modern times, scientists have fairly recently discovered that conservative and liberal are genetically predetermined personality types. People are not blank slates for propagandists to write on. Talk radio definitely falls into the "environmental" factors that get to work on us after birth. We also vary within personality types; political moderates, intractable radicals, and rabid racists are not personality types but variations.
Politics are an environmental factor. Most liberals tend to adopt liberal political orientations, but not necessarily. Here in rural Georgia I've often suspected some of our supposedly conservative acquaintances of being naturally liberal but completely unaware of it -- and conservative enough by environment, and proud of it, that in 18 years I've never risked insulting, or possibly distressing, any of those by commenting on what I suspect. Intellectually aware people know who they are.
In any case, people drawn to right wing radio and its dishonest messages tend to think differently from those who are repelled by them. They see moral issues different than liberals do, less oriented to individual rights and more about maintaining stable and healthy community structures. They even tend to think in different order, reportedly running information by for emotional response before intellectual evaluation. A survival advantage when responding to a frightening rustle in tall grass, no doubt, but not in the world we inhabit these days.
Etc, etc, etc. But bottom line, ... whatever it is. Being called to lunch.
By the way, they're the same few buddies who were "FINE" with Al Franken being thrown under the bus and driven over 10 times by some in his OWN party, even though he in essence got NO due process.
They're of the "We have to be 1,000% above reproach/Republicans" crowd.
You know, those "We HAVE to be pure as the driven snow" folks
It pisses me off so badly. 
"...they're compelled by some inner demon to denounce the rest...must always oppose..."
Yes, yes, yes. Everything you said.
Thank you, Hortensis!
hair-tearing confusion with at least some degree of understanding.
As has been stated, progressives tend to be more intelligent and less swayed by lizard brain emotional arguments.
