It sums up their commercial success and portrays their live abilities. Serious fans will buy all of the sets, since it's an affordable venture to do so. This might lead you to equate low price with low quality. The Cardiff, Wales show makes me feel as though I took professional recording and mixing equipment to the concert myself. All the band's chatter, all the crowd's cheering and all of the music is there.
Nothing is deleted, and nothing is interrupted.
I look forward to their North American tour, because if it is this high in quality for the Europeans, imagine what it will sound like when they bring it home.