I knew what this was going to be before I even opened the thread.
His delivery is obviously what makes it.
Some of his comments are probably timeless, and as long as there are human beings to relate it to, we'll be able to relate it to them. The bending of technology of great promise to violent ends, for instance. (In fact, a lot of amazing technology comes about BECAUSE of the catalyst of warfare).
There's a great book called Austerlitz by W.G. Sebald. At the beginning, the main character, an architect, goes into detail about how, when they first started to become ingrained into the infrastructure, trains were considered an unbelievably brilliant invention, which is why many train stations in Europe were architecturally modeled on Greek and Roman temples. Anyway, the novel is about the Holocaust. Need I say more?