Surely the point is that we shouldn't know how the system works, otherwise people could game it to their advnatage. If there's a random element, then that apes although imprecisely, the hit or miss nature of say who reads the titles in a publisher's a slush pile
"A,B&E", "Not In My Name" and "52FF" (flash fiction anthology) all available on Amazon Kindle
"How a psychopath makes sweet love. I can get you ringside. Royal box even."