We are pumping oil that's located under the seabed. It would have seemed completely insane in the 19th century when all oil was easily accessible. Asteroid mining might be feasible in a few decades. If it really gets going - it could make gold as cheap as aluminium is today.
GP didn’t say that they were playing them on disk, only that they owned them on disc. Backing up PS3 games is relatively easy these days. I fully expect PS3 emulation to be good enough long before working PS3s are unobtainium.
Germany committed the Holocaust in my country. They murdered more than 100k of our citizens. And even more died in the WW2 that they started. But now we are in the same political, military and currency union with them, because countries and their ideologies change.