Man, through the ages, has undergone many changes, from the times when he depicted a herd of mammoth on a wall of a cave to nowadays when he drives a car, watches TV and surfs an Internet. I believe that all achievements that were made by humankind are possible only because people always learnt from their past. In fact, the definition of learning includes the idea of accumulation of experiences from the past with present knowledge. So, I must totally disagree with the statement above that learning about the past has no value.
The first reason for this is that human evolution was possible only because people accumulated their experience and knowledge of ancestors and it helped them to make a step forward. Second of all, they analyzed their mistakes and tried to avoid them next time. People tried to improve their life by learning from the past. Just imagine that every one would have to discover by himself that 2 + 2 = 4 or that fire can be harmful. Furthermore, all knowledge that we have now is a result of the constant work of our ancestors.
Another important aspect of the fact that our past is essential is that past makes us doubt. Take for example the fact that a few centuries ago people were sure that the Earth was flat. Next generations with their new experience proved that the Earth was round. I believe that it happened not because scientists did not know about previous achievements in this area but because their new observations made them doubt about the well-known fact and they developed the new theory.
In addition, if follow the statement that our past has no value for us then we should not take experience and any advices from our parents. Imagine, that we learn by ourselves how to speak, walk, drive car, cook, read, etc.
To summarize, I think that learning from the past is even more important then our own experience. One can not move forward if he does not realize why and where he is now.