What may be central here is why readers find it so difficult to grasp what Wittgenstein was saying. Wittgenstein himself was aware of the problem. In his lifetime, he found few people who grasped what he was doing. I believe that he thought that the problem went something like this.
People have models of how things work.
When you present them with a statement that does not fit into those models, they just can't get it. They are deaf to what you say. That is one reason he adopted the method of giving example after example after example. His teaching strategy was based on the expectation that at some point an example would get the exceptional student past his or her blind spot. Rodrigo is right.