Explain SMBC — the wiki for Saturday Morning Breakfast Cereal

This comic is titled "As Above, So Below" and draws a structural parallel between the military-industrial complex and what it calls "the masturbatory-porndustrial complex." The top diagram shows the well-known feedback loop of the military-industrial complex: Congress funds defense contractors, who supply the military, which creates demand for more Congressional funding. The explanatory text notes that a large defense industry increases the likelihood of war, which in turn grows the defense industry.

The bottom diagram mirrors this structure exactly but replaces Congress with the brain, defense contractors with a pornography collection, and the military with the penis. The accompanying text explains that a large pornography collection increases the likelihood of masturbation, which results in a larger collection. The humor comes from the absurd but structurally valid comparison between a serious geopolitical concept (Eisenhower's famous warning about the military-industrial complex) and a crude bodily function, suggesting that self-reinforcing feedback loops operate at every level of human behavior, from the grandly political to the deeply personal.