That mix was certainly not intended to be perfectly beatmatched, its a snapshot of a live fireworks at a techno party that was off the hook.
Many people - especially newcomer djs - failed to understand what the term "energy" in there consists of. Later on they started chasing these tracks down cause they finally understood the content. The fact that Mills can charge 5 digit number dj fees and gets a full house in 95% of his shows in the real world proves online talk wrong any time. But yeah "that guy can't mix" etc blah blah...go on.