What these guys are doing in UK is commendable, but the title of this post is utterly misleading. The UK is no longer the center of the world, and it was never the center of the human evolution. Please change the title to "Library has every book ever published in the UK". To be fair, that's what the poster says as the first sentence in this video, but while writing the title for this video, he seems to have left out the part "in the UK".
People like me would be misled to think that there is an org out there that is keeping copies of everything that was ever published in the whole world. That would be an impossible task, hence I clicked and spent my time to watch part of the video.