The point being made here is that we are still unable to build programs which interpret language nearly as effectively as the human brain. Our programs still have little skill in determining context in language - which will be an important step in reaching Kurzweillian levels of computing competence.

However, it should be noted that Natural Language Processing and studies in word sense disambiguation have brought us closer, people still cherish the "Dude, where's my flying car" impatience of technology.