http://www.mediaite.com/tv/maher-trashes-gop-smartstupid-people-scholarly-outside-around-creamy-layer-of-bachmann/News at 11: Having an advanced degree doesn't mean one is "intelligent" (however important that in and of itself is), to say nothing of things like empathy/having a legitimate social consciousness/being a good person, or being logically consistent in one's opinions.
Alternately, not having a degree certainly does not automatically make one an ignoramus.
NOTE: Really not a fan of Maher myself, just using his words as a prompt for this topic.