The list of requirements is made available to the developer well in advance, it isn't arbitrarily made more restrictive by first parties (Sony, Nintendo, Micros

The list of requirements is made available to the developer well in advance, it isn't arbitrarily made more restrictive by first parties (Sony, Nintendo, Microsoft), and every developer goes through the same submission screening process. If a game is rejected for not meeting the established criteria it happens before it has shipped -- titles aren't just pulled for no apparent reason.