aintillectual
Someone who doesn't want to think, is apathetic about facts and reason, will only accept theories or evidence that matches his/her own biases and prejudices, and pursues base entertainment rather than learning what is happening in the world around them.
"Dude, how did HE get the primary nomination? He's a raging, hate-filled dumbass!"
"What do you expect? He swung the aintillectual vote."
"What do you expect? He swung the aintillectual vote."