If people were trained to approach discourse like this then they wouldn't tolerate the pap they are presently fed, first by their parents, then authority in general. A sharp seven year old learns that the world is full of irrational bullshit and most of us simply accept that and get on with choosing from a limited selection of flavors of irrationality. Capitalism for example, by definition unsustainable, yet the bedrock of western values. Who dares question it? That's just one example.