Explain SMBC — the wiki for Saturday Morning Breakfast Cereal

The Joke

This is a lengthy, multi-panel comic that explores the concept of open borders through a series of escalating absurd scenarios. The comic begins with a character advocating for open borders, and then walks through various objections and counterarguments. The central comedic premise is that the debate over open borders is taken to increasingly ridiculous extremes -- moving from standard political arguments about immigration and economics to fantastical scenarios involving aliens, interdimensional beings, and cosmic-scale migration.

The comic satirizes how political debates about immigration tend to spiral into slippery-slope arguments and worst-case-scenario thinking. Each new panel introduces a more outlandish hypothetical -- what if we had open borders with other planets? Other dimensions? What about the rights of sentient bacteria? The comic keeps escalating until the very concept of borders becomes meaningless in the face of cosmic absurdity.

Throughout the strip, the characters maintain the deadpan seriousness of a genuine policy debate even as the scenarios become completely unhinged, which is a hallmark of Zach Weinersmith's style of humor.

The Humor

The humor works on multiple levels. First, there is the sheer escalation -- each panel outdoes the last in absurdity while maintaining the formal tone of political discourse. Second, the comic pokes fun at how both sides of the immigration debate can be guilty of taking their arguments to extreme logical conclusions. The juxtaposition of serious policy language with science-fiction scenarios creates a consistent comedic tension. It is essentially a reductio ad absurdum of the entire open borders debate, suggesting that if you follow any political argument far enough, you end up somewhere completely ridiculous.

References

The comic touches on real debates in economics and political philosophy about open borders, including arguments made by economists like Bryan Caplan (who later co-authored a graphic novel on the subject with Zach Weinersmith). The escalating hypotheticals parody the style of philosophical thought experiments common in ethics and political theory.