Earlier quoted context omitted.
You took the words out of my mouth and I'm glad someone else feels the same. It's a difficult thing to articulate but I think he crosses a line into unbearable preachiness and pandering. It's a bummer because I think the guy is a riot, but I just can't take the lectures anymore, and yes, given that this is almost a Daily Show spinoff, it's not terribly surprising to see a heavy left-leaning slant to everything...that…
Often it seems that facts, evidence, and observation are derided as "left". I find John's commentaries to be suitably supported by substance, with constructive conclusions. I worry that characterization as "left" is a defence against cognitive acknowledgements that just happen to be dissonant with neurostatic precepts.
My problem with him is his facts, but his interpretation of them.