Claudius all these they're human/not a science arguments are spurious. Humans can do amazing things, humans are better than this shit. It has nothing to do with subjectivity or the error-prone nature of our species. It's total crap. Refereeing is closer to what we commonly mean by a science than many actual sciences. And you know who does science? Humans. We do science.
They could give 20 cards a game consistently, or 2 cards a game consistently. Statistics help us understand nothing, in fact, they hide the truth most of the time. Any idiot can see they are against us, no hypothesis needed for that (conspiracy) theory.