Theory history: Submitted 2012-10-19, Doubtful 2014-04-06, Debunked 2016-01-15
Okay, so the wisdom crystals exist in the real world and are essentially the ultimate brain-computer interfaces. their purpose is to store memories and dreams, and they do this by connecting to peoples' brains, and then recreating them inside the subnet. The subnet is presided over by the wisdom crystals' artificial intelligence system, which is essentially god of the subnet. Loops are errors within the code of the subnet's AI that create infinite areas instead of places with conceivable spatial dimensions.